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Lerok [7]
3 years ago
7

What information does the atomic number of an element provide?. A. the number of protons in one atom of the element. . B. the nu

mber of electrons in one atom of the element. . C.the number of neutrons in one atom of the element. . D. the total number of protons and neutrons in one atom of the element
Chemistry
2 answers:
Galina-37 [17]3 years ago
6 0
The correct answer for the given question above would be option A. The information that the atomic number of an element provides is the number of protons in one atom of the element. This also provides the chemical properties of an element as well as the total positive charges. 
shepuryov [24]3 years ago
5 0
D. the total number of protons and neutrons in a atom of the element. 
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I NEED HELP. PLEASE HELP ME!!!!
lidiya [134]

Answer:

We have to add 2RbNO3 (option A)

10 Rb +2RbNO3 → 6 Rb2O + N2

Explanation:

Step 1: The equation:

10 Rb + _____ —> 6 Rb2O + N2

Step 2: Balancing the equation

On the right side we have 6x2 = 12 Rb atoms.

On the left side we have 10x Rb

This means we need to add 2x Rb on the left side.

On the right side  we have 2x N, On the left side 0x N.

This means we need to add 2x N on the left side.

On the right side we jave 6x O, on the left side we have 0x O.

This means we need to add 6x O on the left side.

We add this by adding RbNO3

This means we have to add 2x RbNO3 (option A)

10 Rb +2RbNO3 → 6 Rb2O + N2

5 0
3 years ago
The electronic structures of atoms X and Y are shown.
Temka [501]

Answer:

Its formula is B) XY3,also known as ammonia,because X is hydrogen and Y is nitrogen.

So,yeah the answer is B

Pls mark me as brainliest

5 0
3 years ago
Which reaction is the opposite of a decomposition reaction?
tresset_1 [31]

Answer:

B) Synthesis reaction

Explanation:

synthesis reactions because they take apart larger molecules or compounds

Hope that helps

5 0
3 years ago
When sodium chloride reacts with iron it forms sodium and iron (ll) Chloride. Write down the balanced equation and classify it \
BartSMP [9]

Answer:

NaCl + Fe2+  ---> FeCl2 + Na+

Single replacement

Explanation:

Na is replaced by Fe2+ to form FeCl2, and that is the only replacement. Thus, it is single replacement.

7 0
4 years ago
What is the mass of 8.87 x 10^24 atoms of carbon?<br><br> PLEASE HELP!!
stiks02 [169]

Answer: 177g

Explanation:

Aw 12 = 6.02214076*10^23 atoms

mass = 12*88.70^23/6.022*10^23

4 0
3 years ago
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