Brass and bronze are both—— Of copper because copper is the—— Component in brass and bronze

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

The p sub shell can hold up to 8 electrons in an atom. true or false?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?