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liq [111]
2 years ago
8

Attempt 1 of 1

Chemistry
2 answers:
Fittoniya [83]2 years ago
5 0
I’m not 100% positive but quartz would make sense
dexar [7]2 years ago
3 0

Answer: Quartz

Explanation: I looked it up ;)

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. An atom of nitrogen has an atomic
GrogVix [38]

Here's the Answer !

Atomic number = no. of electrons = no. of protons, therefore :

  • no. of electrons = 7

  • no. of protons = 7

and mass number = no. of protons + no. of neutrons

so,

  • 7 + no. of neutrons = 14

  • no. of neutrons = 7
5 0
3 years ago
Can you give me more explanation in the picture?
PolarNik [594]
Read the paper more carefully if you don't understand it
5 0
2 years ago
A chemist weighed out 20.7 g of sodium . Calculate the number of moles of sodium she weighed out
Pachacha [2.7K]

Answer:

about 0.9 mol

Explanation:

there are 22.990 g/mol of Na

20.7/22.99 = 0.900391 mol

about 0.9 mol

8 0
3 years ago
The quantity, 1,385 mg is equivalent to in scientific notation
Agata [3.3K]

Answer:

The answer is 1385 x10∧ -3

Explanation:

Scientific notation is a quick way to represent a number using notation in exponential form or powers of base ten.

This notation allows us to express too large or small numbers easily.

<u>For example: </u>

500 is written as 5x10∧2; Where the power 2 represents the number of 0's that follow 5.

0.0093 is written as 9.3x10∧-3; Where the power -3 represents the number of times the comma was moved to the right.

8 0
2 years ago
What name is given to bonds that involve the sharing of electrons?
Nana76 [90]
A. Covalent bonds is the answer
4 0
3 years ago
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