Which type of chemical reaction occurs in ca + cl2 mc009-1.jpg cacl2?
a. synthesis
b. combustion
c. ingle replacement
d. double replacement

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these