Worksheets2 - Atoms, PT, Chemical Bonds
Total questions: 20
Worksheet time: 2hrs 38mins
What is the charge of this element
11
-1
+1
1
12
How many ELECTRONS does copper have if it has the following charge: Cu2+ ?
64
35
27
29
_______ are atoms with the same number of protons but varying numbers of neutrons.
ions
elements
allotropes
isotopes
What is the atomic number?
How do covalent bonds form?
Donating & receiving valence electrons between atoms
Oppositely charged ions attract each other & form bonds
Scientists are still not sure how they form
Sharing valence electrons between atoms
The formation of a covalent bond relies on the interaction or bonding of...
2 Nonmetals
1 Nonmetal & 1 Metal
2 Metals
2 Noble Gases
This is the displayed formula for what covalent compound?
Water
Hydrogen peroxide
Hydrogen oxide
Ethanol
How many covalent bonds are created in a single water molecule?
0
1
2
3
4
How many covalent bonds are created in a single ammonia molecule?
0
1
2
3
4
What type of bond will this compound likely form [Na]+ & [Cl]- ?
Ionic compound
Covalent compound
Metallic compound
Which type of bond is formed by the uneven sharing of electrons between two non-metals or metalloids?
Ionic bond
Covalent bond
Polar covalent bond
Non-polar covalent bond
Which type of bond is formed between a positive ion and a negative ion?
Ionic bond
Covalent bond
Polar covalent bond
Non-polar covalent bond
Water is...
Polar
Nonpolar
Ice has less density as compared to water due to ___________ bonds.
ionic
hydrogen
covalent
metallic
Water molecules tend to make _____________ bonds with each other.
ionic
polar covalent
metallic
hydrogen
