3 years ago

What are chemistry questions for high school students about atomic size trends?

1 answer:

8 0

It is mostly about an element, it usually goes like this: "which element has the bigger atomic size, Sodium or Oxygen? "

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What element has three electrons in its 5d sublevel?

Sever21 [200]

C. Ta
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[Xe] 4f¹⁴ 5d³ 6s²

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3 years ago

What does the prefix trans-indicate?

fredd [130]

Answer:

B. The carbons on either side of the double bond are Pointed in opposite directions

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3 years ago

Calculate the mass (in g) of 2.1 x 1024 atoms of W.

Monica [59]

Atomic mass W = 183.84 u.m.a

183.84 g ----------- 6.02x10²⁴ atoms
?? g ---------------- 2.1x10²⁴ atoms

2.1x10²⁴ x 183.84 / 6.02x10²⁴ =

3.860x10²⁶ / 6.02x10²⁴ = 641.30 g

hope this helps!

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3 years ago

How many protons, neutrons, and electrons are in an Fe atom?

Dmitrij [34]

29 i think hopefully

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3 years ago

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A star's mass determines the —

kvasek [131]

It’s either A or C sorry I can’t help more

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3 years ago