SECTION A: USE THE WORDS BELOW TO FILL THE BLANKS.
Attract
Carbon Compound Copper Electric |
Iron
Matter Molecule Negative Negatively Neutrons |
Positive
Positively Protons Repel Shells Static |
Electrons
Element Energy Friction Ionization |
a. ________________ is anything that occupies space and has mass.
b. The ability to do work is called _______________.
c. When all the atoms within a substance are alike, the substance is called an _________________.
d. Different elements can combine to form a substance called a _____________.
e. A _________________ is the smallest particle of a compound that has all the properties of that compound.
f. The process by which atoms lose or gain electrons is called ______________.
g. The attraction between two opposite electric charges is an example of ________________ electricity.
h. Electrons move around the nucleus of an atom in paths that are usually called _______________.
i. The nucleus of atoms is made up of particles called ______________ and _______________.
j. Atoms differ from one another only in the number of ___________ and __________ they contain.
k. Common examples of elements are ____________, ________________ and ______________.
l. Electrons are _____________ charges. Protons are ______________ charges.
m. An electrically neutral atom is one that has the same number of ______________ and _________________.
n. An ion is an atom that is either _____________ charged or _____________ charged.
o. If a neutral atom gains electrons, it becomes a ___________________ ion.
p. If a neutral atom loses an electron, it becomes a _______________ ion.
q. Ions with the same charge _____________ each other. Ions with unlike charges _______________ each other.
r. A charged object is surrounded by an ________________ field.
SECTION B: COMPLETE THE TABLE BELOW.
SECTION C: USE A SCIENTIFIC CALCULATOR TO WORK OUT THE FOLLOWING.