Answer:
To find out what water is made of, it helps to look at its chemical formula, which is H2O. This basically tells us that the water molecule is composed of two elements: hydrogen and oxygen or, more precisely, two hydrogen atoms (H2) and one oxygen atom (O). Hydrogen and oxygen are gases at room temperature.
Explanation:
It would take 8 antacid tablets to produce 120 mL of CO2 gas.
Answer:
the raising atomic number
Explanation:
Elements are listed on the periodic table according to their atomic number.