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Laabri

Ch. 3 Review

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Last updated over 3 years ago
6 Nsɛmmisa
Ɛhia
4
Ɛhia
3
Ɛhia
3
Ɛhia
4
Ɛhia
4
Ɛhia
2
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Complete the following statments about subatomic particles.

1. An electron has a charge, is located outside the , and has a mass of amu.

2. A proton has a charge, is located in the nucleus , and has mass of amu.

3. A neutron has a charge, is located in the , and has a mass of amu.

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Match the decription to the result below

Draggable itemarrow_right_altCorresponding Item

Changing number of electrons

arrow_right_alt

new element

Changing number of protons

arrow_right_alt

new isotope

Changing number of neutrons

arrow_right_alt

new ion

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

In a neutral atom of magnesium-25, there are protons, electrons, and neutrons. (use whole numbers only)

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

There are multiple isotopes of Zinc. The most stable isotope is Zinc- . It has protons, neutrons, and an atomic mass of . (use whole numbers only)

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

Put the following in order of increasing number of protons.

  1. Zr

  2. C

  3. Na

  4. F

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

In an isotope symbol, the top number is the number and the bottom number is the number. for example, for carbon-14, the top number would be and the bottom number would be .

Mmuae Afoforo a Wobɛpaw:
atomic
14
12
6
mass
10