3 years ago

What is eruption intervel of abu volcano?

1 answer:

5 0

The eruption interval of abu volcano is ...

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aksik [14]

Answer:

Metal more reactive than non metal

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3 years ago

cestrela7 [59]

Answer:

See explaination

Explanation:

Please kindly check attachment for the step by step solution of the given problem.

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3 years ago

Maurinko [17]

HCL - 3.01
CH3COOH -2.4

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3 years ago

dem82 [27]

Answer:

Oxygen is the most contain in earth but you asked in a,b,c and d. So I'll choice A. aluminium.

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3 years ago

OverLord2011 [107]

Answer:

four elements

Explanation:

He = 1s²

Be = 1s² 2s²

C = 1s² 2s² 2p²

Mg = 1s² 2s² 2p⁶ 3s²

Si = 1s² 2s² 2p⁶ 3s² 3p²

Ca = 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²

Valence electrons are those electrons which are present in outer most electronic shell.

He, Be, Mg, Ca these four elements have 2 valence electrons.

While Si and C have four valance electrons.

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2 years ago