Based on the naming rules for ions, which of the following is a negatively charged ion (not a polyatomic ion)?(1 point)
Responses
chlorine
chlorine
chlorate
chlorate
chloride
chloride
chlorite
chlorite
When moving across a period from left to right in the periodic table (excluding transition elements) which trend occurs?(1 point)
Responses
Valence electrons decrease by one.
Valence electrons decrease by one.
The energy levels decrease by one.
The energy levels decrease by one.
Valence electrons increase by one.
Valence electrons increase by one.
The energy levels increase by one.
The energy levels decrease by one.
Which information about an atom can a period number give you?(1 point)
Responses
how many bonds it will make
how many bonds it will make
the ionic charge it forms
the ionic charge it forms
the number of valence electrons it has
the number of valence electrons it has
how many energy levels it has
how many energy levels it has
Fluorine has 7 valence electrons. Which charge is its ion likely to have?(1 point)
Responses
1+
1+
5+
5+
5-
5-
1–
Fluorine is likely to have a charge of 1-.
Use the list to answer the question.
potassium, Group IA
calcium, Group IIA
iodine, Group VIIA
neon, Group VIIIA
Which two elements in the list would bond together based on their ionic charges?
(1 point)
Responses
calcium and potassium
calcium and potassium
potassium and neon
potassium and neon
potassium and iodine
potassium and iodine
calcium and neon