calculating density
Where do you read the meniscus when finding the volume in a graduated cylinder?
At the bottom
What are 3 subatomic particles of atoms
Protons
Electrons
Neutrons
The elements on the right sides of the periodic table are known as
Nobile gasess
How many groups are there
18
What are some characteristics of metals
High luster and shiny
How do you read a triple beam balance
Add up hundreds tens and ones
What is the mass of a proton
1 amu
The elements on the left side of the periodic table are
The most reactive
How many periods are there
7
What are some characteristics of non-metals
Dull brittle
How do you find the volume of irregular objects
Step one mesuar water without anything in it
Step two drop object in water
Step three mesuar water with object
How do you identify a element in the periodic table
Atomic number
Periods tell us the number of
Electron shells
Witch way dose reactivity increase
Down
What are the characteristics of metalloids
Both non-metals and metal
What is the formula for density
D=M/V
What is the charge of an electron
Negative
Groups tell us the number of
Valence electrons
In witch way dose the electron shells increase
Down
Metaloids are
Semi conductors
How do you find the volume of a regular object
V=L times W times H
What is the number below the element symbol
Atomic mass
The elements on the zig zag line are
Metaliods
If elements are in the same group they have...
The same chemical properties
When's my birthday
Told you they were hard, three days before school started