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laiz [17]
3 years ago
7

1.

Chemistry
1 answer:
PtichkaEL [24]3 years ago
3 0

Answer:

Hydrogen atoms are fused into deuterium, then helium-3, then helium-4, each step giving off large amounts of energy.

Explanation:

<em>Nuclear fusion</em> refers to the process in which <u>two lighter nuclei combine together to form one heavier nucleus</u>. In the Sun, hydrogen atoms combine and form helium. This process releases large amounts of energy because the helium atom has less energy than the hydrogen atoms.

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fenix001 [56]

Answer:

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Explanation:

6 0
3 years ago
When science is used to create a new instrument, such as a cell phone, we say that a new ___________ has been developed.
kari74 [83]
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3 0
4 years ago
A 5.00-cm cube of magnesium has a mass of 217.501 g. What is the density of magnesiummetal?
Doss [256]

Answer:

d = 43.5 g/cm³

Explanation:

Given data:

Mass of magnesium cube = 217.501 g

Volume of magnesium cube = 5.00 cm³

Density of magnesium cube = ?

Solution:

Formula:

d = m/v

d = density

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by putting values,

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d = 43.5 g/cm³

8 0
3 years ago
A or B i need help fast
Bezzdna [24]

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5 0
3 years ago
Sulfur and magnesium both have two valence electrons.<br> a. True<br> b. False
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