Atoms

Atom Structure

100

Where are protons located in the atom?

Nucleus

200

Theses subatomic particles have a neutral charge.

Neutrons

300

True or False: Electrons are found outside of the nucleus, specifically in the ring

True

400

A student was building a model of an atom. They placed Protons and Electrons inside the nucleus and neutrons in the rings. What did the student do wrong?

Placed electrons inside the nucleus and neutrons outside.

500

Rings can have __ electrons in the first ring and __ in every ring after.

2, 8

Atom Vocabulary

100

Everything is made of matter with the smallest molecule being known as an 

Atom

200

What is a Proton?

A positively charged particle

300

This is known as the center of the atom

Nucleus

400

This is made when an atom gains or loses electrons

Ion

500

The weighted average of all the elements isotopes

Atomic mass

Atom Math

100

Sodium has an atomic number of 11. Which other subatomic particle will also be 11?

Protons

200

How can the atomic mass of an atom be found? (Mathematically)

Protons + Neutrons

300

An unknown atom has a mass of 85. The atomic number is 42. What is the number of neutrons?

43

400

When neutral (no charge), what atomic components are the same?

Atomic number, Protons, Electrons

500

Solve for the missing components

Element Symbol:

Atomic #:

Atomic Mass: 56

Protons: 26

Neutrons:

Electrons:

Element Symbol: Fe

Atomic #: 26

Neutrons: 30

Electrons: 26

Ions

100

This ion is positively charged

Cation

200

Cation or Anion: -3 

Anion

300

If Oxygen had a -2 charge, how many electrons would it have? Use the Periodic table.

10

400

An element has 27 protons, 28 neutrons, and 25 electrons. What is the charge of the atom?

+2

500

Solve the missing parts.

Atomic Symbol: 

Atomic #: 6

Atomic Mass: 

Protons:

Neutrons:

Electrons: 10

Atomic Symbol: C -4

Atomic Mass: 12

Protons: 6

Neutrons: 6