What and Where
What are the subatomic particles?
I have 4 shells and 3 valance electrons, Who am I?
Gallium
2 8 18
What element is this? Cl
What is the formula for density?
What is the charge and location of elections?
Outside the atom in the electron cloud and negative
I am in period 1 group 8/18, who am I?
Helium
What is another name for electrons cloud?
The majority of the periodic table consists of what group? Metal, non-metals, Metalloids?
METALS
A thin glass bottle holds 25ml of liquid and has a mass of 19g. Calculate the density?
.76g/ml3
What subatomic particle is large and neutral
neutrons
What subatomic particle determines the identity?
Protons
What is the term used for the outmost electrons?
Valance Elections
Magnetic, Rust, Ductile, and Malleable are all properties of what?
Metals
4ml
empty space
Argon
If an atom has 8 protons and 7 electrons and 8 neutrons is it a neutral atom?
What do all the elements in group 7 have in common?
7 valence electrons
A bar of soap is 12cm tall, 6cm wide, and 10 cm long. It has a mass of 415 grams, what is the density of the bar of soap.
.576 g/cm3
What is the unit of measurement used to measure Proton/Neutron/Electrons
an AMU
I contain more than 100 things but I’m not a jigsaw puzzle
I contain metals but I’m not a car
I contain hydrogen and oxygen but I’m not water
I sound like I could be a piece of furniture but I’m not a flower bed
I’m used in chemistry but I’m not a test tube
The Periodic table
If an electrical neural atom has 18 elections and 39 neutrons, what is its atomic number?
18
Group 2 is also known as....
Alkaline Earth Metals
What is the difference between an element, molecule and compound?
molecule- two or more atoms combines
compound - 2 or more DIFFERENT atoms combined.