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Ch. 3 Review

Last updated almost 3 years ago
6 questions
Required
4
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.
Required
3

Match the decription to the result below

Draggable itemCorresponding Item
Changing number of protons
new element
Changing number of neutrons
new isotope
Changing number of electrons
new ion
Required
3
In a neutral atom of magnesium-25, there are _______ protons, _______ electrons, and _______ neutrons. (use whole numbers only)
Required
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)
Required
4

Put the following in order of increasing number of protons.

  1. Na
  2. Zr
  3. C
  4. F
Required
2
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 ______ .
Other Answer Choices:
atomic
14
12
6
mass
10