Unit 2 Part 1 Review: Atomic Structure

Front

What is the most stable ratio of protons to neutrons for the first 30 elements on the periodic table?

Back

1 : 1

Front

What is the ratio of protons to neutrons for elements with atomic numbers between 30-83?

Back

1 : 1.5

Front

How many neutrons are in an element with 34 neutrons?

Back

34

Front

Which subatomic particle is found outside the nucleus and has a mass considered to be 0?

Back

Electron

Front

What is the correct electron configuration for Molybdenum (Mo)?

Back

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d4

Front

Define an atom.

Back

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

Front

What are protons?

Back

Positively charged subatomic particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral subatomic particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged subatomic particles that orbit the nucleus of an atom.

Front

What is atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.