2.2 Subatomic Particles

Question 0

Small parts that make up An atom

Answer 0

Subatomic particles

Question 1

The smallest unit of matter that still retains the properties of an element

Answer 1

Atom

Question 2

Three main subatomic particles

Answer 2

Neutrons protons electrons

Question 3

Dense core of the atom is the

Answer 3

Atomic nucleus

Question 4

Mass of a neutron or proton

Answer 4

1.7 x 10^-24 g

Question 5

Unit of measurement for atoms

Answer 5

Dalton

Question 6

1 atomic mass unit (amu) = ? Dalton’s

Answer 6

1

Question 7

1 neutron/proton =? Daltons

Answer 7

1

Question 8

The unique number of protons in the nucleus if each atom

Answer 8

Atomic number

Question 9

Where is the atomic number in a symbol of the element

Answer 9

Subscript on the left

Question 10

The sum of protons and neutrons and in the atom

Answer 10

Mass number

Question 11

Where is the mass number written in a symbol

Answer 11

Left superscript

Question 12

Total mass of atom

Answer 12

Atomic mass

Question 13

Atomic mass vs mass number

Answer 13

Total mass vs amount of protons and neutrons

Question 14

An atom that has different amount of neutrons

Answer 14

Isotope

Question 15

Atom where the nucleus decays spontaneously giving off particles and energy

Answer 15

Radioactive isotope

Question 16

How does an atom decay into another element

Answer 16

When radioactive decay affects the number for protons