Matter and Reactions
Physical or Chemical?
Atomic Number
The periodic table
Mystery questions :)
100

the smallest pieces of matter are called ___

what are atoms?

100

the inner part of an atom that contains the proton and the neutron is called the ____.

what is nucleus?

100

Atomic numbers of an atom are the same as the number of what in an atom?

what are protons?

100

This is a chart which organizes the chemical elements.

The periodic table

100

GET A PENCIL AND PAPER. draw an energy level model.

show teacher.

200

This is anything that takes up space.

what is matter?

200

These particles have a positive charge and are found inside the nucleus.

what are protons?

200

Carbon's atomic number is ___

what is 6?

200

Number of protons in the nucleus.

what is the atomic number?

200

which element has a larger atomic number Au or Fr?

Fr

300

physical or chemical change?

cutting a piece of paper

what is physical change?

300

These particles are located within the nucleus, and have no charge.    

what is neutron?

300

What element has a number of 56?

what is barium?

300

The sum of the number of protons plus neutrons in the nucleus.

what is the atomic mass?

300

The air we breath out is called ____.

carbon dioxide 

400

physical or chemical change?

ice cream melting

what is physical change?

400

These particles are negatively charge and are found outside the nucleus.

what are electrons?

400

Why does hydrogen have an atomic number of 1?

because it only has one proton

400

Columns or multiple columns in the periodic table.

what is a group?

400

I have an atomic number of 54

xe

500

physical or chemical change?

the wood is burning

what is chemical change?

500

Most of the mass of an atom is located here.

what is nucleus?

500

Some atoms have more _______, which makes it an isotope and gives it a negative charge.

what is electrons?

500

Beryllium, Magnesium, Calcium, Strontium, Barium, Radium.

What are Alkaline Earth Metals?
500

Bones in an human body need _____. (its an element on the periodic table.)

calcium

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