elements/compounds
The periodic table made up of Mostly _________.
What are metals?
The periodic table is arranged by increasing # of these.
What is the atomic number?
(also acceptable: What are protons?)
A good conductor of heat and electricity
What is a metal?
This is the smallest particle of an element that still retains all the characteristics of that element.
What are atoms?
Group two of the periodic table
What are Alkaline Earth Metals?
CO2 is a compound made of what type of elements
2 non-metals
These are the horizontal rows on the periodic table.
What are periods?
I am Brittle and dull?
What is a non-metal?
This is the super dense center of the atom.
What is the Nucleus?
Group 17 of the Periodic Table.
What are Halogens?
FeS2 is a compound known as fool's gold. There are __________ atoms in this compound.
THREE
These are the vertical columns on the periodic table.
What are groups?
NaCl is made up of elements from what 2 groups #?
group: 1 & 7
particles that make up a atom.
What is sub-atomic particles?
The most reactive group of Metals?
What are the Alkali Metals?
Group 17 element, Iodine has this many valence electrons.
7
Elements with similar characteristics are arranged by these.
What are groups?
I have 82 Protons.
What is lead?
They have a neutral charge and are found in the nucleus of an atom.
What is a neutron?
The most reactive Group of Non-metals.
What are the Halogens?
C6H12O6 is the chemical formula for glucose. How many Carbon atoms are present?
6
This tells you how many electron shells an element will have.
What are periods?
I have 6 electron shells and I am a noble gas.
What is Radon?
The ____________ is responsible for the identity of an atom/element.
Proton
The least reactive of all groups.
What are the Noble Gasses?