What's a word to describe physical things

How many joules of energy does it take to melt 35g of ice at 0.0c?

Ribosome functions of a organelle and a location of the organelle

What kind of bond forms between hydrogen and oxygen? ionic hydrogen covalent

Science) Why can the effect of radioactive decay on the body be useful and harmful?

K is the chemical symbol for which element

What is the mass (in grams) of 9.09x10^24 molecules of methanol (CH3OH) ? AND How many moles of N are in 0.183g of N2O?

What are the basic building blocks of matter? A) molecules B) atoms C) electrons D) compounds

How does an atom with too few neutrons relative to protons undergo radioactive decay? * by converting proton to a neutron by converting a neutron to a proton by emitting an alpha particle

What is the chemical formula for the compound formed between sodium and iodine?

8. Write a balanced chemical equation showing how you could prepare each of the following salts from an acid-base reaction: KNO3, NaBr, and Cas.