How many moles of Na2CO3 are there in 15.0 L of 5.30 M solution? * 2.83 mol
79.5 mol
0.08 mol
0.35 mol

Matter- occupies space and possesses rest massno matter is the opposite

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.