Review (Weeks 1-4) Crossword
This printable crossword puzzle has 12 clues. Answers range from 3 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
a positively charged ion
a negatively charged ion
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei
an unstable nucleus is likely to break apart to emit invisible and dangerous radiation as well as a lot of energy
A particle with two protons and two neutrons (same as Helium)
fast moving electrons.
the columns on the Periodic Table are called
the rows on the Periodic Table are called
the outermost shell in the Bohr model contains ____ electrons
In the Bohr model, the first shell can have a maximum of _ electrons.
There can be up to _ electrons in the second shell of the Bohr model.
What is the maximum number of electrons in the third shell?
