Matter Unit Test pls help fast!! Test due soon! in its nucleus (also known as its atomic number).
An element is determined by the number of
O electrons
gluons
protons
neutrons
1
2
3
4
5
6
7
8
9

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.