A Grade 9 Chemistry Quiz!
(77).jpg "A Grade 9 Chemistry Quiz!")
Atoms are the smallest and main building blocks of ordinary matter, and they join together to form molecules that make the objects around us. In 9th grade chemistry, we got to dive deeper into the makeup and the elements as a whole. Getting ready for that end year exam? Take up the test below and get to review all that we have covered so far.
- 1.Elements consist of only one type of atom.
- A.
True
- B.
False
- 2.As you move left along the periodic table, the atomic number of the elements tends to
- A.
Increase
- B.
Decrease
- C.
Stay the Same
- 3.
- A.
Change of Colour
- B.
Gas/Bubbles Form
- C.
It becomes Poisonous
- D.
Creates heat/light
- E.
Scent Changes
- 4.
![Which element of the below is the Bohr-Rutherford diagram above representing?
- ProProfs]( "Which element of the below is the Bohr-Rutherford diagram above representing?")
Which element of the below is the Bohr-Rutherford diagram above representing?- A.
Neon
- B.
Magnesium
- C.
Sulfur
- 5.An Ionic compound is the result of the bonding of...
- A.
Two metals
- B.
Two nonmetals
- C.
A metal and a nonmetal
- 6.What happens/is likely to happen if the atoms within an element have full valence shells?
- A.
They are likely to bond with other elements more easily.
- B.
They are unlikely to bond with other elements.
- C.
They will be labelled as "unstable".
- D.
They will explode.
- 7.How many Valence electrons does an atom require to have a full shell?
- A.
3
- B.
8
- C.
16
- D.
100
- 8.Is Beryllium (Valence electrons: 2) more likely to bond with
- A.
Sulfur (Valence electrons: 6)
- B.
Neon (Valence electrons: 8)
- 9.Which and how many atoms does Hydogen Peroxide, H2O2 consist of?
- A.
Four Oxygen, Two Hydrogen
- B.
Two Hydrogen, Two Oxygen
- C.
One Hydrogen, Three Oxygen
.gif "Which element of the below is the Bohr-Rutherford diagram above representing?")
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