Answer:
c becuase I'm not to good at this but I'm pretty sure
Explanation:
I think
You haven't attached any options but anyways, to help you with your question, elements belonging to the same group (e.g. alkali metals, noble gases) all have the same chemical properties. Hydrogen, for example, have the same properties with Sodium, Potassium and Lithium.
Answer:
H2SO4 + 8HI → H2S + 4I2 + 4H2O
Answer:
Scientists use the term magma for molten rock that is underground and lava for molten rock that breaks through the Earth's surface.
