The Atom

The Atom

Atomic Theory and Basis of The Atom

Multiple Choice

How many subatomic particles are found within the atom

• 1

• 2

• 3

• 4

Multiple Choice

The subatomic particle with a negative charge

• proton

• neutron

• electron

• nucleus

Multiple Choice

The subatomic particle with a positive charge

• proton

• neutron

• electron

• nucleus

Multiple Choice

The subatomic particle with no charge

• proton

• neutron

• electron

• nucleus

Multiple Choice

a pure form of matter that cannot be broken down into simpler substances

• element

• atom

• subatomic particle

• nucleus

Multiple Choice

the smallest part of a chemical element that can exist

• element

• atom

• nucleus

• subatomic particle

Multiple Choice

the extremely dense center of an atom

• proton

• neutron

• electron

• nucleus

Multiple Choice

Atoms of the same element that have a different number of neutrons

• isotopes

• atomic mass

• atomic number

• mass number

Multiple Choice

the number of protons in an atom

• atomic number

• mass number

• chemical symbol

• atomic mass

Multiple Choice

The weighted average mass of all isotopes of an element

• atomic number

• atomic mass

• chemical symbol

• mass number

Multiple Choice

the total number of protons and neutrons

• atomic number

• atomic mass

• chemical symbol

• mass number

Multiple Choice

one or two letter symbol that represents the element

• atomic number

• atomic mass

• chemical symbol

• mass number

Multiple Choice

What does the arrow pointing to 8 represent

• atomic number

• chemical symbol

• element name

• atomic mass

Multiple Choice

What does the arrow pointing to 15.999 represent

• atomic number

• chemical symbol

• element name

• atomic mass

Multiple Choice

What does the number -12 and -14 represent after Carbon-12 and Carbon-14

• number of protons plus neutrons

• electrons

• proton

• neutrons

Multiple Choice

What is the difference in Carbon-12 and Carbon-14

• two neutrons

• two protons

• two electrons

• 1 proton and 1 electron

Multiple Choice

If an atom has 12 protons, 13 neutrons, and 11 electrons what will its atomic number be?

• 11

• 12

• 13

• 25

Multiple Choice

What is the mass of one proton

• 1/1850 amu

• 1 amu

• 2 amu

• 1

Multiple Choice

Protons weight 1 amu, what other subatomic particle has a mass of 1 amu

• neutron

• electron

• nucleus

• isotope

Multiple Choice

If an element has an atomic number of 6 and a atomic mass of 13 how many neutrons does it have?

• 5

• 6

• 7

• 8

Poll

Which of the following determine the identity of the atom

• atomic mass

• number of protons

• mass number

• atomic number

• number of electrons