4 years ago

ASAP HELP PLS 20 PTS

Chemistry

1 answer:

GalinKa [24]4 years ago

8 0

Answer:

second option

Explanation:

because aluminum has pieces of metalloid in it

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What processes are related to metamorphism

goblinko [34]

Answer:

Metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). The change occurs primarily due to heat, pressure, and the introduction of chemically active fluids.

Explanation:

i hope this helps :)

3 0

4 years ago

Which of the following are isoelectronic?

OleMash [197]

Answer:

The correct answer is option C.

Explanation:

Isoelectronic species are those atoms or ions which same number of electrons.But they differ in physical and chemical properties.

Atomic number of nitrogen atom is 7.

$[N]=1s^22s^22p^3$