Symbols
What is the element for the symbol Cu?
Copper
The first group of elements, excluding hydrogen, is known as...
What is alkali metals
What is the number to the top right of the symbol known as?
The Atomic Number
The smallest unit of matter that has the properties of an element.
What is an atom
How many periods are there total?
7
What element does Cr represent?
Chromium
Elements in groups 3-12 are known as...
What are transition metals
What does the number below the symbol stand for?
Atomic Mass
The part of the atom with a negative charge...
What are electrons
As you move across a period the melting points of elements does what?
Goes up and down.
What is the symbol for Argon?
Ar
The 18th group of metals are known as...
What are noble gases
What is the atomic number for oxygen?
8
The positively charged part of an atom is known ...
What are protons
What do the periods represent?
The number of shells the element has for electrons.
What element does the symbol Si stand for?
Silicone
Oxygen and Carbon are examples of this element group.
What are non-metals
What is element has an atomic number of 53?
Iodine
The part of an atom that is neither positively or negatively charged.
What are neutrons
What happens to the electronegativity as you move from the bottom left of the periodic table to the top right?
It increases.
What is the formula for gallium?
Ga
The second group of elements is commonly referred to as...
Alkali Earth Metals
What is the atomic number of krypton?
36
What is the number that represents the number of protons called?
The Atomic Number
What element has the highest electronegativity?
What is fluorine.