Physical Science

3. distance/time
12. subatomic particle with a positive charge
13. method of expressing numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10
16. a system or standrad of measurement
17. an atom of the same element but with a different number of neutrons
19. subatomic particle with no charge
20. type of element that is a good conductor of heat and electricity
21. anything that has mass and volume
22. type of bond formed when electrons are shared

1. the sum of the atomic masses of all atoms in a molecule
2. the rate of change of velocity over time
4. a pure substance made up of only one type of atom
5. a chart that organizes the known chemical elements by their atomic number
6. mass times velocity
7. the change in position of an object, specifically from an initial point to a final point
8. the full length of a race
9. an atom that has a charge due to gain/loss of electrons
10. type of bond formed when electrons are transferred
11. current times resistance
14. name of the Cl ion with a -1 charge
15. the amount of mass per unit of volume
18. subatomic particle with a negative charge