Name the type of ion that will form when an atom loses an electron.
Cation
100
What is the formula of the ion formed when phosphorus achieves a noble-gas electron configuration?
P3-
100
Name the compound MgBr2
Magnesium Bromide
100
How many valence electrons are in carbon?
4
200
How many valence electrons are in a silicon atom?
4
200
Which of the following occurs in an ionic bond?
a. Oppositely charged ions attract.
b. Two atoms share two electrons.
c. Two atoms share more than two electrons.
d. Like-charged ions attract.
a. Oppositely charged ions attract.
200
Write the formula for the compound boron chloride.
BCl3
200
what is the electron configuration for the chloride ion.
1s2 2s2 2p6 3s2 3p6
300
How many electrons does a gallium atom give up when it becomes an ion?
3
300
What is the charge on the cation in the ionic compound sodium sulfide?
1+
300
Write the formula for the compound barium oxide.
BaO
300
What is the formula for the oxide ion?
O2-
400
What is the charge of a particle having 9 protons and 10 electrons?
1-
400
What is the electron configurations for iodide?
I: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6
400
Write the formula for the compound Aluminum oxide?
Al2O3
400
Write the formula for the compound rubidium phosphide.
Rb3P
500
Explain the octet rule.
The octet rule states that, in chemical reactions, elements gain or lose electrons to achieve a noble gas configuration. This stable configuration is called an octet because it consists of 8
500
How are atoms (ions) held together in an ionic bond
In an ionic bond, oppositely charged ions are held together by the electronic force of attraction that exists between oppositely charged particles.
500
What are the 3 properties of ionic compounds?
1. Most are crystalline solids at room temperature
2. They generally have high melting points
3. They conduct an electric current when melted or dissolved in water
500
Identify 4 properties of the metal alloy steel.
Steel is corrosion resistant, ductile, hard, and tough.