Atoms
Elements
Chemical vs Physical
Random
Suprise
100

What are found in an atom (3)

protons electrons and neutrons

100

What are the first two elements of the periodic table?

Hydrogen and Helium.

100
If the object changes colour is it a chemical or a physical change?
chemical change
100

what is the largest organ in the human body

skin

100
The three states of matter are
Solid Liquid Gas
200

Which of the following are found in the nucleus? Protons Electrons Neutrons

Protons Electrons

200

True or False: Neon has a full valence shell.

True.

200
Water freezing is a chemical or physical change?
a physical change becuase no new substance was made
200

what animal can't jump

an elephant
200

Give one example of chemistry in our every day lives

...

300

The atomic mass number represents the number of.....

protons and neutrons

300

The periodic table is separated into two groups.

Metals and Non Metals

300
Discribe some of the indicators that a chemical change has occured.
smell heat or light colour change
300

what are we... mammals, reptiles or amphibians?

mammals 

300
Give the chemical formula for water
H2O
400

Name all the charges of the following and explain where they are found. Protons Electrons Neutrons

Protons (+) electrons (-) neutrons. (n)

400

What are the following elements names. Na K C Cl

sodium potassium calcium chlorine

400
Crushing a can is a chemical of physical change
physical
400

what organ sends / receives messages to and from other organs in the body

the brain 

400
the number of protons also equals the number of
electrons
500

When an atom receives electrons, what does charge does the atom than take on ?

a negative charge

500

What is a Lewis Dot Diagram?

Is the diagram that shows only the valence electrons

500
cooking an egg, chemical of physical change ?
Chemical change because a new substance has been made
500
what is on the periodic table 

elements 

500
Pb and Ag are the symbols for what elements
Gold and Lead
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