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gulaghasi [49]
3 years ago
12

Explain what happens when an atom gains or looses an electron

Chemistry
2 answers:
diamong [38]3 years ago
7 0
Also the mass of the atom will increase or decrease
->depending on whether you add
or take away electrons
lana [24]3 years ago
3 0
When an atom gains an electron it becomes a negatively charged ion. When an atom looses an electron it becomes positively charged because the number of positively charged protons. 

Hope this helps
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ehidna [41]

This question is incomplete because the options are missing; here are the options:

Which of the following is LESS dense than water?

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The correct answer to this question is The bubbles

Explanation:

In general, the density of materials and substances affects their buoyancy. This implies in water less dense materials will float and those with higher density will sink. In the situation presented, the only element that is less dense than water are bubbles; this is shown by the movement of the bubbles as these originate in the bottom of the glass of water but they rise to the surface, which shows they are less dense than water.

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50 Points: What is the mass of 6.12 moles of arsenic (As)?
ozzi

The mass of 6.12 moles of arsenic (As) is calculated to be approximately 459g.

HOW TO CALCULATE MASS:

The mass of a substance can be calculated by multiplying the number of moles of a substance by its molar mass. That is;

Mass of Arsenic = no. of moles of As × molar mass of As.

According to this question, 6.12 moles of arsenic was given and its molar mass is 74.92g/mol.

Mass of As = 6.12 mol × 74.92g/mol

Mass of As = 459g

Therefore, the mass of 6.12 moles of arsenic (As) is calculated to be approximately 459g.

Learn more about mass calculations at: brainly.com/question/8101390

4 0
3 years ago
How do you decide whether a sample of matter is a solid,liquid,or gas?
prohojiy [21]
As solid is a hard surface and it can be changed to any shape although it is placed to any container whereas liquid can be poured from one container to another and gases have less bulk so they are not exaggerated by gravity
8 0
3 years ago
Calculate the molar mass of H2SO4 + 2 NaOH = Na2SO4 + 2 H2O. Please show all work. THANK YOU!
mr_godi [17]

Answer:

<em><u>30.11x1</u></em><em><u>0</u></em><em><u>²</u></em><em><u>³</u></em>

Explanation;

brainleist please

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3 years ago
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