Complete the chart below. Type any numeric values as numbers (example: type 13 instead of thirteen)
Element
Calcium
Bromine
Xenon
Metal or nonmetal
metal
nonmetal
nonmetal
Named Group
Alkali earth metals
Halogens
Noble gases
2
7
8
# of Valence
electrons
2+
-1
0
lon Formed
How is the ion
formed?
I

What is the vertex form of f(x) = x2 + 6x + 3

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.