Atoms

The smallest particle into which an element can be divided and still be the same element is a(n)

• proton

• neutron

• electron

• atom

Using the diagram as a reference, how electrons does carbon have in its OUTER shell?

• 2

• 6

• 4

• 1

What is the number of protons that the element in this image contain?

• 14

• 7

• 15

• 18

In the modern periodic table, elements are arranged by:

• atomic mass

• atomic number

• valence electrons

• number of isotopes

The number of which subatomic particle determines the element of an atom (if it's carbon, oxygen, nitrogen, etc.)?

• proton

• neutron

• electron

• Subatomic particles do no determine the element of an atom.

What does the 1.00794 stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

Why is the overall charge of an atom neutral (0)?

• They have the same number of protons and neutrons.

• They have the same number of protons and electrons.

• They have the same number of electrons and neutrons.

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

• atom

If an atom has 3 electrons, how many protons does it have?

• 1
• 2
• 4
• 3

Which subatomic particle has a neutral (0) charge?

• proton

• nuetron

• electron

• atom