Reactions
What is the most reactive element?
Francium
What is the element to clean pools?
Chlorine!!
Are nickels made out of nickel?
yes (also copper)
Are there more metals or nonmetals?
Metals
Where are the noble gases on the table?
the last column on the right (group 18)
What are 2 indicators of a chemical reaction?
Color change, temperature change, smell, fizzing, rust, combustion, change in state
What element is in toothpaste?
Fluorine
What makes an atom?
Protons, Electrons, Neutrons
What family is between metals and nonmetals?
Transition Metals
Name 3 out of the 7 noble gases
hydrogen, helium, neon, argon, krypton, xenon, radon
What happens when you mix a metal and an acid?
It fizzes and a slight increase in temperature.
H2O is the formula for...?
Water
How many elements are on the table?
118
What's one way to differentiate between a metal and a nonmetal?
Their conductivity, their position on the table, malleability, texture
Which element makes up the sun?
hydrogen
Which state of matter is the most reactive?
Gas
Name 2 of the 6 main elements the human body is made of?
Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, Sulfur
Which U.S. States are represented in the table?
California, Tennessee
Are metals more conductive than nonmetals?
Metals are more conductive
Are the gases reactive?
yes
What products are ALWAYS products of a combustion reaction?
Oxygen, Hydrogen, Carbon
Who made the periodic table?
a) Einstein
b) Mendeleev
c) Avogadro
d) Howard
Mendeleev
How are the elements organized?
BY The Electrons
Which two elements are a liquid?
Hg (mercury) and Br (bromine)
What is the most dangerous noble gas?
radon