Match the following words with their definitions.

1.
number of protons in an atom
neutron

2.
negatively charged particle circling nucleus
nucleus

3.
matter made up of just one type of atom
element

4.
building block of matter
proton

5.
neutrally charged particle nucleus
atomic number

6.
center of the atom made up of protons and neutrons
electron

7.
positively charged particle in the nucleus
atom

What is the overall order of reaction for rate = k[no2]2 ? second order 3/2 order third order zero order none of the listed answers are correct

The diagram below shows a cell placed in a solution. a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution. only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it. it will expand as water moves into it. it will shrink as water moves into it.

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate