An elements properties can be predicted from its
In the _______________________________ state of matter, electrons are stripped away from the nuclei
If a substance is ____________________, it can be pulled or drawn into a wire.
The sun and many other starts are made mostly of the element
A(n) _________________________ is a positively charged particle in an atom's nucleus.
Which of the following is NOT a characteristic of most metals?
An element's ____________________________ tells the number of protons in its nucleus.
Dmitri Mendeleev created the first
The particles that are lost, gained, or shared in a chemical reaction are
A(n) _____________________ has some of the properties of both metals and nonmetals.
A(n) ______________________ consists of 2 nonmetal atoms bonded together.
The family of ________________________________ is the most reactive group of metals int he periodic table.
The mixture of models is called a(n) _______________________.
The _________________________ family is a very reactive group of mostly nonmetals whose atoms gain or share one electron in chemical reactions.
NONMETALS are good conductors of heat and electricity.
From left to right in the periodic table, the elements are arranged in order of DECREASING atomic mass.
The mass of a PROTON is about one atomic mass unit
The reactivity of a metal elements generally INCREASES as you move from left to right across the periodic table.
HELIUM nuclei and energy are the products of the nuclear fusion on the sun's hydrogen.
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