Atoms
Atoms 2
Periodic Table
Periodic Table 2
Periodic Table 3
100
Found in the nucleus.
What are Protons and Neutrons?
100
Basic particle from which all elements are made
What are atoms?
100
Elements in the same period
What has the same number of energy levels?
100
Number of groups on the periodic table
What is 18 groups?
100
The number of protons, neutrons, and electrons Aluminum
What is 13 protons, 14 neutrons, 13 electrons?
200
Elements in the same group have
What are similar characteristics and the same number of valence electrons?
200
A substance that can not be broken down into a simpler substance
What is an element?
200
The most reactive group on the periodic table.
What is group 1 (alkali metals)?
200
On a periodic table the atomic number determines how many _______ are in the nucleus of the atom.
What are protons and electrons?
200
The number of electrons in Oxygen
What is 8 electrons
300
Where electrons are found
What are energy levels, shells, or orbitals?
300
Determines the atomic number of an element
What is the number of protons?
300
The group known as the Halogens and is the most reactive group of the nonmetals.
What is group 17?
300
Number of electrons the 1st energy level of an atom holds
What are two electrons?
300
Number of neutrons in Carbon
What is 6 neutrons?
400
Are positively charged
What is a proton?
400
Makes up the atomic mass of an element
What are protons and neutrons?
400
Number of valence electrons for elements in group 15.
What are 5 valence electrons?
400
Least reactive group on the periodic table.
What is group 18 (noble gasses)?
400
Elements that are shiny, malleable (can be hammered into shapes without breaking), ductile (easily drawn out into thin wires), and conduct electricity
What are metals? (Ex. Magnesium, Lithium)
500
Most of the elements on the periodic table are classified as this (metals, nonmetals, or metalloids)
What are metals?
500
The special name given to the electrons in the outermost (last) energy level
What are valence electrons?
500
Number of valence electrons in Silicon?
What is 4 valence electrons?
500
Bohr model of Neon
500
Elements that are not lustrous, malleable, or ductile, have low melting/boiling points, and are poor conductors of heat and electricity.
What are nonmetals? (Carbon, Nitrogen, Helium)