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Chapter 5 and 6 Review

Across
Elements that conduct electricity and heat well and have a shiny appearance.
The number of protons in an atom's nucleus is the atomic _____.
Greek prefix meaning 4.
A _____ covalent bond is the unequal sharing of electrons between two atoms that give rise to negative and positive regions of electric charge.
A pair of electrons shared by two atoms is a _____ bond.
Elements in a horizontal row.
The total number of protons and neutrons in an atom's nucleus is the atomic mass _____.
A _____ bond is a certain type of bond in which nuclei float in a sea of electrons.
Elements that have properties of both metals and nonmetals.
Greek prefix meaning 1.
An uncharged particle.
Greek prefix meaning 10.
Elements that are least reactive and are in Group 18 are called the _____ gases.
Elements in Group 17.
A number written to the right of a chemical symbol and slightly below it.
Greek prefix meaning 2.
Down
Greek prefix meaning 5.
The average mass of all the element's isotopes is the atomic _____.
Greek prefix meaning 6.
Greek prefix meaning 7.
Elements in a column.
A chemical _____ uses chemical symbols to represent the atoms of the elements and their ratios in a chemical compound.
Indicates how likely an element is to undergo a chemical change.
A positively charged particle.
Negatively charged particles.
Atoms of the same element that have a different number of neutrons.
Greek prefix meaning 9.
Central region of an atom where most of the atom's mass is found in protons and neutrons.
The electrical attraction between a negative ion and a positive ion is called an _____ bond.
Green prefix meaning 3