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Yakvenalex [24]
3 years ago
8

Plz someone help with this

Chemistry
2 answers:
Fiesta28 [93]3 years ago
7 0

Answer:

4 I believe is false and 5 is D I think

Lilit [14]3 years ago
3 0

Answer:

4.) A. (TRUE)

5.) B. (THE WEATHER AND CLIMATE)

Explanation:

I HOPE IT HELPS YOU;)

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ludmilkaskok [199]
Its D I Think because mass cant really disappear
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Read 2 more answers
10 points
puteri [66]

Answer: Using more fossil fuels

Explanation: Burning fossil fuels releases Green House gasses into the atmosphere, such as carbon dioxide. The carbon dioxide in the atmosphere traps in heat, which causes global temperatures to increase.

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What do sodium and magnesium have in common?
lara [203]

Answer:

daddy will help

Explanation:

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7 0
3 years ago
I am a nonmetal.I am in the Oxygen family and in row 3.I have 6 valence electrons.I am yellow and have a stinky smell.Who am i
Dimas [21]

Answer:

sulfur

Explanation:

In oxygen family sulfur has yellow color and also having stinky smell. Thus given statements are about sulfur.

It is present in oxygen family.

It has six valance electrons.

Its atomic number is 16.

Its atomic weight is 32 amu.

The electronic configuration of sulfur is given below,

S₁₆ = 1s² 2s² 2p⁶ 3s² 3p⁴

We can see the valance shell is third shell and it have six electrons thus sulfur have six valance electrons. (3s² 3p⁴ )

Sulfur is used in vulcanisation process.

It is used in bleach and also as a preservative for many food.

it is used to making gun powder.

8 0
3 years ago
Whats the complete chemical symbol for the ion that has : 13 neutrons 11 protons , and 9 electrons.
myrzilka [38]
The answer gonna be Na2+
7 0
3 years ago
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