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Komok [63]
3 years ago
6

6. Mia and her best friend Claudia are comparing eye colors. Mia has blue eyes, and Claudia has brown eyes. What is a difference

in eye color among the same species called?
A. chromosomes
B. traits
C. variation
D. mutation
Chemistry
2 answers:
patriot [66]3 years ago
8 0
Ddddddddddddddddddddddd
lord [1]3 years ago
3 0

Answer:

D

Explanation:

Luck

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What is the formal charge on the hydrogen atom in hbr? use the periodic table as needed?
Westkost [7]
A covalent bond is formed between H and Br
The structure of HBr is as follows
H —Br
Formal charge for atoms are the charges for individual atoms in compounds.
Formal charge can be calculated as follows ;
Formal charge of atom = number of valence electrons -( number of bonds + number of lone pair electrons)
H has 1 valence electron, 1 bond and 0 number of lone pair electrons
Formal charge of H = 1 -1 -0 = 0
H has 0 charge
3 0
3 years ago
Please help!!
Zinaida [17]
1.B
6.D 
D because t<span>he mass of one mole (molar mass) of helium gas is </span>4.002602 g/mol. 4.002602 * 5=20.01309. Rounded equals 20. So, the answer is D.20 g.
8 0
3 years ago
Instrument used to measure atmospheric pressure
lisov135 [29]

Answer: barometer

Explanation:

7 0
3 years ago
Which of the following have the lowest density solids rocks liquids gases
denis23 [38]

Answer:

gases

Explanation:

because  the solid (steel) is the most dense, the gas (air) is the least dense, and the density of the liquid (water) is in between.

7 0
3 years ago
When I2 and FeCl2 are mixed together, iodine (I) cannot replace chlorine (Cl) in the compound because iodine is lower on the per
Nata [24]

Answer: The given statement is true.

Explanation: If this reaction would have occurred, then this reaction would be considered as displacement reaction.

Displacement reactions are the reaction in which more reactive element displaces the less reactive element in a chemical reaction. This is based on the reactivity of elements.

Reactivity of elements is the tendency of the elements to gain or loose electrons. The reactivity decreases down the group in a periodic table.

In the given reaction, Iodine and chlorine are the elements of the same group in the periodic table and iodine lies below chlorine in the group. So, the reactivity of iodine is less than the reactivity of chlorine.

Hence, in the given reaction, iodine will not replace chlorine because it lies below in the periodic table.

FeCl_2+I_2\rightarrow \text{No reaction}

3 0
3 years ago
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