Look at the above table. 1. What charge should Element 1 have (B)

A. 0
B. 1+
C. 6
D. 12

2. How many neutrons should Element 2 have (C)

A. 11
B. 7
C. 13
D. 6

3. How many valence electrons does carbon have?

A. 6
B. 2
C. 4
D. 3

Copper, silver, aluminum, cobalt, chromium, mercury 

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.