Atoms
Math
Elements
Periodic Table
Groups and Periods
100

The positively charged particles in an atom

What are protons?

100
Number of protons in an element with the atomic number of 8

What is 8 protons?

100

One single type of atom in a given area

What is an element?

100

The one or two letters in the middle of the element box.

What is the symbol?
100

The number of groups on the periodic table

What is 18?

200

The negatively charged particles in an atom

What are electrons?

200

Number of electrons in an atom with an atomic number of 78

What is 78 electrons?

200

The element with 8 protons in its nucleus

What is oxygen?

200

The number the element is on the table. Also tells you how many protons and electrons are in an atom of the element. 

The atomic number.

200

The number of periods on the table

What is 7? 

300

The neutral atoms in an atom

Neutrons

300

Number of neutrons in an atom with an atomic number of 38 and a mass of 88

What is 50 neutrons?

300

Elements change based on

What is the number of protons in the nucleus?

300

The organization of elements based on their size and characteristics happens here

What is the periodic table?

300

The element that is period 3 group 2

What is Mg

400

These are located outside the nucleus of an atom

What are electrons?

400

An element has an isotope with a mass of 118 and an atomic number of 12. This is the amount of neutrons in that isotope

What is 106 neutrons?
400

The element that is found in all living things

What is carbon?

400

The sum of protons and neutrons in the nucleus

What is the atomic mass?

400

This is how elements change across a period

What is they increase in size?

500

These are located in the nucleus and make up the mass of the atom

What are protons and neutrons?

500

An ion has an atomic number of 7 with a 3- charge. This is the number of electrons in that ion. 

What is 10 electrons?

500

The purpose of elements

What is to make up our universe?

500

Elements are arranged and grouped together on the table based on this

*hint: not atomic number

What is their similarities?

500

This is how you know that Nitrogen and Phosphorous have similar physical and chemical characteristics

What is they are in the same group?