Answer:
non-polar covalent bond
The covalent bonds form silicon dibromide, or [tex]Si_2Br_6[/tex]. Instead of being an ionic compound, it is a covalent one.
The sharing of electrons between the silicon (Si) and bromine (Br) atoms in [tex]Si_2Br_6[/tex] provides the basis for their bonding. Covalent bonds are formed when atoms share electrons to form a stable electron configuration. In this example a total of twelve electrons are shared between each of the silicon atoms and six of the bromine atoms. By filling their valence electron shells, this electron sharing enables silicon and bromine to have more stable structures.
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10 grams of calcium-37 remain after 700 milliseconds (0.700 seconds).
How much calcium was in the original sample?
Answer:
hahahh noob
Explanation:
What is the coefficient of H2 when the following equation is correctly balanced? CO (g) + H2(g) → H20 (g) + CH4 (9)
Answer:
3. CO + 3H₂ ⇒ H₂O + CH₄
Explanation:
match reactants and products on both sides of the equation.
What is genetic mutation
Answer:
A gene mutation is a permanent alteration in the DNA sequence that makes up a gene, such that the sequence differs from what is found in most people.
A scientist is studying a protist and records the following information about it:Cell has a nucleus Has a flagella Produces oxygen Found in salt water Which conclusion is best supported by the information?A. B.The protist is an animal-like flagellate because it has a flagellum. C.The protist is a plant-like dinoflagellate because it produces oxygen.D.The protist is a plant-like dinoflagellate because it was found in salt water.The protist is an animal-like flagellate because it has a nucleus.
Answer:
B)The protist is a plant-like dinoflagellate because it produces oxygen.
Explanation:
This was the answer on edge nuity
The conclusion that is best supported by the information is that the protist is a plant-like dinoflagellate because it produces oxygen.
What is a protist?A protist is any eukaryotic organism that is, an organism whose cells contain a cell nucleus that is not an animal, plant, or fungus. While it is likely that protists share a common ancestor (the last eukaryotic common ancestor,the exclusion of other eukaryotes means that protists do not form a natural group, or clade.
Therefore, some protists may be more closely related to animals, plants, or fungi than they are to other protists. However, like the groups algae, invertebrates, and protozoans, the biological category protist is used for convenience. Others classify any unicellular eukaryotic microorganism as a protist.The study of protists is termed protistology.
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write the relation between wavelength frequency and velocity for a sound wave
Explanation:
frequency; the no of round completed in one second is called frequencywavelength; the distance between two identical point on wave line velocity; the distance cover in one second is called velocitywhat is a substrate
Answer:
a substrate is surface or material on or from an organism lives, grows, or obtains its nourishment.
Explanation:
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Anna broke a test tube. She picked up the pieces of glass with one hand and placed them in her other hand.
Once she picked up all of the pieces, she placed them in the garbage can. What was not done correctly? What
should have been done instead?
Answer:
Tell the teacher and wait for it to be swept up.
How many moles are in 825 atoms of carbon?
1.37 × 10⁻²¹ mol C
General Formulas and Concepts:Math
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightChemistry
Atomic Structure
Using Dimensional AnalysisAvogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.Explanation:Step 1: Define
825 atoms C
Step 2: Identify Conversions
Avogadro's Number
Step 3: Convert
[tex]\displaystyle 825 \ atoms \ C(\frac{1 \ mol \ C}{6.022 \cdot 10^{23} \ atoms \ C} )[/tex] = 1.36998 × 10⁻²¹ mol C
Step 4: Check
We are given 3 sig figs. Follow sig fig rules and round.
1.36998 × 10⁻²¹ mol C ≈ 1.37 × 10⁻²¹ mol C
URGENT !! PLEASE ANSWER !!
Is C-O a nonpolar or polar covalent bond? why?
what are the materials needed during photosynthesis?
state with reasons the most suitable methods for collecting hydrogen
Answer:
Upward delivery or downward displacement of air
Explanation:
The method of collection of a gas is dependent on it's density.
Gases that are less dense than air are collected by upward delivery or downward displacement of air while gases that are denser than air are collected by downward delivery or upward displacement of air.
Hydrogen is less dense than air hence it is collected by upward delivery or downward displacement of air.
Which of these equations is balanced?
1. 4Sb + 3O2 → Sb4O6
2. H3 AsO4 → As2O5 + H2O
3. SiO2 + HF → SiF4 + H2O
4. CO2 + NH3 → CO(NH2)2 + H2O
Answer:
the first is the answer
Indicate whether each statement is true or false: a. Substitutional alloys tend to be more ductile than interstitial alloys. b. Interstitial alloys tend to form between elements with similar ionic radii. c. Nonmetallic elements are never found in alloys.
Answer:
Substitutional alloys tend to be more ductile than interstitial alloys. true
Interstitial alloys tend to form between elements with similar ionic radii.false
Nonmetallic elements are never found in alloys. false
Explanation:
Substitutional alloys consists components having similar atomic(ionic) radii as well as common bonding characteristics. In interstitial alloys, atoms in interstitial positions must have a much smaller covalent radius than the solvent atoms. Interstitial atoms are generally less ductile than substitutional alloys.
Nonmetals are found in alloys. For instance, carbon is a component of the common alloy called steel.
How is radiation different from conduction?
SELECT AN ANSWER
Radiation is the transfer of heat through molecular contact, and conduction is the transfer of energy by waves.
Radiation is the transfer of energy by waves, and conduction is the transfer of heat through contact with air.
Radiation is the transfer of energy by waves, and conduction is the transfer of heat through molecular contact.
Radiation is a type of heat transfer in the atmosphere as opposed to conduction, which does not transfer energy.
Answer:
Radiation is the transfer of energy by waves, and conduction is the transfer of heat through contact with air.
Explanation:
Conduction is the transfer of thermal energy through direct contact. Radiation is the transfer of thermal energy through thermal emission.
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The electron configuration below applies to which element? 1s2 2s2 2p6 3s2 3p1
How many atoms of aluminum (Al) are in 3.94 mol of aluminum
Answer:
26.9
Explanation:
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ALUMINUM (AI)
+ NITRATE (NO3)
Answer:
Al(No3)3
Explanation:
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Which element’s atoms have the greatest average number of neutrons?
Answer:
53
Explanation:
the atomic number is 53, then Number of neutrons=127-53=74 Since, the number of neutrons are large in Tellurium, therefore Tellurium have the greatest average number of neutrons.
which line represents the gas state?
Answer: F : Gas
Explanation:
explain what happens during the chemical reaction
CaCO3 -> CaO + CO2
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I couldn't find the answer to your question.
For the elements in the "f-block," how is the row number related to the principal energy level for the last orbital notation of their electron configurations?"
Answer:
See explanation
Explanation:
Given that the row number is the same as the period or energy level(shell) in which the electron is found.
If we designate this row number as "n", we know that the highest principal energy level for the f orbitals is obtained as (n-2) f.
Thus, we obtain the highest principal energy levels for the "f block" elements by subtracting 2 from the row number.
how dose the scientist know the substances goes through a change of state during the time period labeled B on the graph?
Answer:
The temperature remains constant
Explanation:
In a plot of temperature against time, it is easy to spot the points on the graph where a change of state is taking place.
During a change of state, the temperature does not not change with time. These are points that are plateaus on the temperature-time graph.
This is because, during phase change, the heat that is added is used in breaking intermolecular forces therefore a temperature change is not observed until the phase change is complete.
What happens to the pH of an acid when the solution is diluted by a factor of 10?
Answer:
Diluting an acid decreases the concentration of H+(aq) ions, which increases the pH level of the solution towards 7, making it less acidic.
Explanation:
However, the pH level of an acidic solution cannot become greater than 7, because the water you add to dilute it is not alkaline.
___are organelles found in plant cells. They absorb energy from sunlight and use that energy to drive chemical reactions that produce sugars and oxygen.
Chloroplasts
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Long form EC for Aluminum
EZ MODE -_- What could you do in an experiment to get more accurate results? Change two of your variables. Only make observations that involve sight. Only use new materials. Perform repeated trials
Answer:
they change the object hehehehe
Answer:
D. Perform repeated trials.
Explanation:
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All living organisms are composed of
OA. at least three cells.
ОВ.
one or more cells.
OC. at least 100 cells.
OD. only one cell.
Answer:
OB- one or more cells
Explanation:
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When are kids ready to assume adult responsibilities?
Answer:
18 years old or when they become mature.
Explanation: