Chemistry- Review of the Atom

What is an anion

A negatively charged ion

What is a cation

A positively charged ion

What was the name of Ernst Rutherford's famous experiment?

Gold foil

What was thomson's atom model called?

Plum pudding model

What are the four ways that we describe the nucleus?

Very small, positive, dense, contain 99.9% mass of atom

What is an ion

an atom with a charge

What is an isotope

atoms with the same number of protons but different number of neutrons

atomic number goes

bottom

What particle did J.J. Thomson discover?

electron

The atoms consists of mostly...

empty space

what is the claim about the nature of light

light can be understood as having particle/wavelike properties

Atomic number

number of protons

What is the atomic number?

number of protons

What makes an element distinct?

number of protons

Bohr model says electrons behave like

planets orbiting around the nucleus

the exact location of an element cannot be predicted bu the ...

probable location of an electron can be identified

Mass number

protons + neutrons

What is the average atomic mass?

the weighted average of the masses of all naturally occurring isotopes of an element

Mass number goes

top

modern atomic theory says an electron is considered a particle, not a ...

wave

what evidence is there to support claim about nature of light

wave- interference patterns particle- photoelectric effect