People per square mile, while the least crowded states have people per square mile.
2. The most crowded states in the United States have
700; 100
70; 10
700; 10
7000; 100

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom

Mixing salt in water is an example of physical change