2 years ago

What makes up a compound

Chemistry

2 answers:

fiasKO [112]2 years ago

7 0

Two sentences conjoined by a conjunction word

Mademuasel [1]2 years ago

4 0

Answer:

Elements make up a compound.

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Aleksandr-060686 [28]

Answer:

4 orbits in the fourth period.

19 electrons in the atom from group 1 and fourth period.

Explanation:

Potassium has 19 electrons distributed in its 4 orbits

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2 years ago

Water boiling and turning into steam<br><br> is a chemical or physical change?

olga2289 [7]

Answer:

physical change

Explanation:

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3 years ago

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Thermal energy is what we call energy that come from ___ of matter

kvv77 [185]

Answer:

Thermal energy is a kinetic form of energy that comes from the <u>temperature </u>of matter

Explanation:

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Please help me don’t scam

rosijanka [135]

Answer:b

Explanation:

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2 years ago

7. Write the equation for the positron emission of barium-127.

ziro4ka [17]

The reaction is given by

$\\ \rm\Rrightarrow {}^{127}_{56}Ba\longrightarrow {}^{0}_{+1}\beta+{}^{127}_{55}Cs$

Barium goes underneath beta decay to form Ceaseum

Cs is very mellable element
It can melt on your hand

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1 year ago