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pychu [463]
3 years ago
10

Why is the mass of an iron atom different from the mass of a copper atom?

Chemistry
1 answer:
Jobisdone [24]3 years ago
6 0
They have different number of Neutrons and protons, so their masses are different

Hope this helps!
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An ionic bond involves _____.A. an attraction between ions of opposite chargeB. water avoidanceC. the sharing of a single pair o
allochka39001 [22]

Answer: D i think

Explanation: Im sorry if it is wrong lol!! I pretty sure thats the answer...

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3 years ago
S 2<br> How many protons
serg [7]
16 protons
Explanation: S2-: proton number 16; nucleon number 32
There are 16 protons (from the proton number). If it was a neutral atom, there would be 16 electrons.
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What compound does hydrogen form?​
Oxana [17]
It forms covalent compounds
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What is used to determine the number of each atom in an ionic formula
ladessa [460]

Answer:

The charge carried by each ion (oxidation state of each atom)

Explanation:

If we have an ionic compound and we want to write its formula, we must first know the magnitude of charge on each ion (shown as oxidation state of the atoms involved) because the magnitude of charge on each ion is eventually crisscrossed and gives the subscript (number of atoms) for each atom in the formula.

For instance, let us write the formula of calcium bromide. Ca has a charge of +2 while Br has a charge of -1. If we exchange the charges and ignore the signs such that the crisscrossed charges form subscripts we can now write; CaBr_{2}.

3 0
2 years ago
Which of the following are characteristics of transition metals?
Kipish [7]

Answer:

High melting point,High density,Nonreactive

Explanation:

The following are the Properties of transition elements:

They have large charge/radius ratio. They are harder and they have high densities;.They have high melting and boiling points.They form compounds which are paramagnetic. They show variable oxidation states. They form colored ions and compounds. Compounds are formed with profound catalytic activity. Stable complexes are formed by them.

When Comparing with the alkali metals present in group 1 and the alkaline Earth metals that are present in group 2, the transition metals are considered to be much less reactive. They do not react fast with water or oxygen, which contributes to their resistance to corrosion.

8 0
3 years ago
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