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svp [43]
3 years ago
5

The periodicity of the properties of elements is chiefly due to the

Chemistry
1 answer:
Lina20 [59]3 years ago
6 0

Answer: option A.

Explanation:

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Robin and Alex are discussing how water molecules form when hydrogen and oxygen atoms combine. Robin writes the following chemic
anygoal [31]
I’m pretty sure it’s B
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4 years ago
A - ion (negative ion, one with extra negative charge)?
bekas [8.4K]

Answer:

That means an atom with a neutral charge is one where the number of electrons is equal to the atomic number. Ions are atoms with extra electrons or missing electrons. When you are missing an electron or two, you have a positive charge. When you have an extra electron or two, you have a negative charge.

5 0
3 years ago
The density of cadmium is 8.65 g/mL, what is the volume of a 33.4 g object made of pure cadmium?
Rzqust [24]

Answer:

Volume = 3.86 ml (Approx)

Explanation:

Given:

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Volume = Mass / Density

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Volume = 3.86 ml (Approx)

6 0
4 years ago
Which physical property can be used to classify oxygen, helium, propane, and hydrogen as being similar?
PSYCHO15rus [73]

Answer:

state of matter

Explanation:

Because there are three state of matter namely:liquid,solid and gas and oxygen is a gas.

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4 years ago
When the shift occurs in the earth's crust , what does the energy radiates us out as ?
Stels [109]
When a sudden break or shift occurs the energy radiates it comes out of the water
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