HELP HELP HELP HELP Which of the following elements is malleable and ductile?

A) Cobalt (27)
B) Nitrogen (7)
C) Arsenic (33)

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat

How are isotopes of the same chemical element alike? how are they different?

Type the correct answer in each box.balance the chemical equation.__ n203 ➡️ __ n2 +__ o2