3.
an atom with eight protons will have ________ electrons
4.
a neutral charge within the atom
5.
2 different elements bonded
7.
apparatus to transfer small amounts of chemicals
8.
the fire triangle needs oxygen, heat and _________
9.
Mg is the symbol of this element
10.
Na is the symbol of this element
11.
this type of change occurs when a new substance is made
12.
this type of change occurs when no new substance is made
13.
circuit with more than 1 loop
15.
this type of resistor can change the reduction of current
16.
the hotter flame of the Bunsen burner
17.
apparatus used to measure temperature
18.
N is the symbol of this element
19.
you need to be a __________ in the lab
20.
this is the colour of the safety flame
21.
positive charge in an atom
22.
sand and water is an example of this
