Welcome to your Grade 9 Chemistry chapter 5
After carefully reading the following 30 questions, choose the correct answer.
1.
Which electrons are primarily involved in chemical bonding?
2.
Chemical bonding involves the orbits of which energy level?
3.
What determines the chemical properties and reactivity of an element?
4.
Why do atoms form chemical bonds?
5.
Which type of bond is formed between a metal and a non-metal?
6.
What type of bond is formed between two non-metals?
7.
Why do noble gases not typically take part in chemical reactions?
8.
Which state of matter do most ionic compounds exist in at room temperature?
9.
Covalent compounds are mostly in which state(s) of matter?
10.
Why is the density of ionic compounds generally high?
11.
Which property is high for ionic compounds and low for covalent compounds?
12.
What is the term for a bond where electrons are shared between atoms?
13.
Which bond type occurs when one atom provides both electrons for sharing?
14.
Why do pure covalent compounds not conduct electricity?
15.
What is the name for the weak forces of attraction between molecules?
16.
A compound where electrons are shared unequally is called:
17.
In which type of bond do electrons form a "sea" around positive metal ions?
18.
Why do metals have a characteristic lustre?
19.
Which factor determines the strength of a metallic bond?
20.
Which of these is a property of metals?
21.
What is a negatively charged ion called?
22.
What is a positively charged ion called?
23.
Which representation shows bond formation using dots for valence electrons?
24.
The tendency of atoms to have eight electrons in their valence shell is known as:
25.
What type of bond is found in a molecule of Oxygen (O2)?
26.
Which compound is an example of an ionic bond?
27.
In a nonpolar covalent compound, electrons are shared:
28.
Which force holds together the nucleus in an atom?
29.
What refers to the ability of a material to be drawn into wires?
30.
Which of these is a factor responsible for ionic bond formation?
