Show:
All Things Atoms
Metal Music
The Other Ones
Tabla de Los Elementos
Worley Wonder Choice
100
What are the three subatomic particles?
Protons, Neutron, and Electrons
100
What are group 1 elements called
alkali metals
100
Non metals are on which side of the Periodic Table?
The right side
100
The Atomic Number is equal to the number of __________
protons
100
How many protons does Hydrogen have?
1
200
What is the charge for electrons
negative
200
what are group 2 elements called?
alkaline earth metals
200
Semi-metals are also called _____________
metalloids
200
The number of protons in an atom determines what type of ____________ it is.
element
200
How many electrons does Helium have?
2
300
What is the charge for neutrons
0 or neutral
300
What are the middle block elements called?
transition metals
300
Which elements are non-reactive?
noble gases
300
How do you find the amount of neutrons in an atom?
Subtract the atomic number from the atomic mass
300
How many energy levels are there for elements in period 3?
3
400
How many electrons can fill up the first energy level (orbital)
2
400
Name a physical property of chemicals
Ductile/malleable/high density/good conductors/high lustre
400
which group of toxic elements have 7 electrons in their valence shell?
halogens
400
What do the periods determine relating to an atom?
energy level
400
which element group reacts explosively with water?
alkali metals
500
What is the current atomic model called?
quantum
500
where is the most reactive metal?
group 1. period 7
500
Is Chlorine a solid, liquid, or gas?
gas
500
How are elements in a group similar?
similar chemical properties
500
Which metal is a liquid at room temperature?
mercury