Chemistry

4. an element with 27 protons
6. what is the mass number of calcium
7. travels at the speed up of 3.00x10^8 m/s
8. cause metals to eject their electrons
11. What is an atom with the same number of electrons as protons
12. the weight of an element minus the atomic number equals the amount of what
13. atoms that lose electrons have what time of ions
14. equals the amount of protons
15. used to transmit information
19. atoms with the same number of protons but different numbers of neutrons
21. what is the element name of HE
22. equals the number of electrons
24. can hold two electrons each
25. when an atom emits energy, the electrons move from an excited state to their ground state and give off what
27. an atom that has gained or lost one of more electrons
29. atoms that gain electrons have what time of ions
30. Rutherfords gold foil experiment is about discovering what

1. How many electrons can the F subshell hold
2. The number of protons are referred to what
3. what is placed in the bracket when writing short hand notation
5. Which element has a shorthand configuration of [Ne]3s2 3p1
9. Atoms are made up of what type of particles
10. what is everything made up of
14. when an atom absorbs energy from a flame they become
16. the flame color is described in terms of its what
17. What is the element name of NA
18. what is the net charge of hydrogen
20. how many p orbitals can there be in an energy level
23. during reactions, positions are very unstable so the electrons would quickly drop back down to where
26. any of the one or more orbitals making up an electron shell of an atom
28. the maximum amount of displacement of a particle on the medium from its rest position