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Unit 2 Lessons 6 and 7 Study Guide

Teacher: Denise Kearney
Horizontales
The atomic ____________ tells you how many protons an element has.
These subatomic particles have no charge, and a mass of 1 amu.
Element symbols begin with a ____________ letter followed by lowercase letters.
Atoms are the building blocks of all ____________.
The name for a row in the periodic table.
These subatomic particles have a negative charge, and a mass of 0 amu.
Elements are arranged in the periodic table by ____________ atomic number.
___________ are shiny, hard, malleable, ductile, and good conductors.
The atomic number is located at the _________ of an element square.
Atoms are made up mostly of __________ space.
The atomic _______ is protons and neutrons combined.
The name for a column in the periodic table.
Verticales
The ___________ number in the element square is the atomic mass.
____________ are dull, brittle, and poor conductors.
Valence electrons are the electrons that do the chemical bonding and can be found in the _____________ energy shell.
___________ have characteristics of both metals and nonmetals, and are used as semiconductors.
These subatomic particles have a positive charge, and a mass of 1 amu.
The electron is the ___________ of the subatomic particles.
Elements in the same group have similar physical and chemical properties because they have the same number of _____________ electrons.
Protons and neutrons are located in the center of the atom called the ___________.
A group is also called a __________ in the periodic table.
What is the smallest particle of an element that maintains its properties called?
In a neutral atom, the number of protons is __________ to the number of electrons.
Mass _________ atomic number equals the number of neutrons.