How many L of 3.0M HCl is required to react completely with 750mL of 2.0M Ca(OH)2? PLEASEEE help me solve this stoichiometry question! i need to be able to explain it. will give extra points and brainliest

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

If two identical atoms are bonded,what kind of molecule is formed

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals