Retake: Chemical Bonding and Compounds Concepts
Interactive Video
•
Science
•
9th Grade
•
Practice Problem
•
Easy
Amanda Stroberg
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can an ionic compound be identified from its chemical formula?
It contains only nonmetals.
It is composed of a metal bonded to a nonmetal.
It has a low melting point.
It forms a soft, malleable solid.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which property is characteristic of ionic compounds?
They have low melting points.
They form a brittle crystal lattice.
They are always insoluble in water.
They do not conduct electricity when molten.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a chemical formula, what does a coefficient represent?
The number of atoms of a specific element.
The number of molecules of the compound.
The charge of an ion.
The number of valence electrons.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many oxygen atoms are present in the chemical formula 3Mg3(PO4)2?
8
12
24
36
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct chemical formula for the ionic compound formed between Aluminum (Al) and Sulfur (S)?
AlS
AlS2
Al2S3
Al3S2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic that differentiates transition metals from other metals on the periodic table?
They always form ions with a +1 charge.
They can change their oxidation state or charge.
They are always found in Group 1 or Group 2.
They only form covalent bonds.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation state of tin (Sn) in the compound SnO2?
+1
+2
+3
+4
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