Ch 2- Radiation Concepts

Element with atomic number 1 is

Atomic particle with a positive charge

Which of the following are states of matter?

Mechanical energy can be classified as potential or kinetic

Which person/people separated elements based on mass?

Which of the following is not a type of energy?

Which person created the model of the atom which mimics a miniature solar system?

Element with atomic number 53 is

Two or more substances combined makes a

What do the elements in each group have in common?

Atoms that have the same atomic number but different amount of neutrons are called

Frequency (v) is measured as

Horizontal sections in the periodic table of elements are called

Atoms that have an electron added or removed are called

Element with atomic number 82 is

Element with atomic number 56 is

Atomic mass number/A number represents

Which person discovered the positively charged nucleus surrounded by negatively charged electrons?

Which of the following are forms of natural science?

When two or more atoms are chemically united it forms a

What does the atomic number/Z number represent for an element?

Vertical sections in the periodic table of elements are called

Atomic particle with a negative charge

Element with atomic number 6 is

What is the quantity of matter contained in an object?

The unit of measurement for energy is

According to the particle theory, photon energy and frequency are directly related.

Addition or removal of electrons from an atom

What period is the element Barium (Ba) in?

Which of the following changes the molecular attraction and state of matter?

According to the wave theory, frequency and wavelength are directly related.

What is the smallest unit of matter?

What group is the element Lead (Pb) in?

Atomic particle with a neutral charge