Science 9 - Matter and Chemical Change Topic 1 & 2

Going from a gas to a solid is called?

How many neutrons does the following element have?

Which of the following is a physical change?

This WHMIS symbol is:

The most reactive family is:

A granola bar is an example of a

Group 6, period 4 is:

What is the atomic number for lead?

The photo is the:

The analogy for Nagaoka atom is:

The most reactive elements are:

What group does this element belong to?

A substance melting point=122 and boiling point=220. What is the substance state at room temp?

This WHMIS symbol stands for

Matter is:

What state is ammonia at -50 °C if it's boiling point is −33 °C and melting point is −100°C

Which is not a property of metals?

Who proposed the atomic theory which stated that an atom was similar to a billiard ball?

Which metal is liquid at room temperature?

What group is this element part of?

Who is the "father of modern chemistry"?