Nature of Science
Atoms
Periodic Table
Periodic Trends
Bonds
100
What is an independent variable?
The variable you change
100
What subatomic particles are found in the nucleus?
Protons and neutrons
100
If an atom has 8 protons and 10 neutrons, what would it's atomic number be?
8
100
What is atomic radius?
The size of an atom
100
In covalent compounds, electrons are _______________
shared
200
What is an dependent variable?
The variable that responses, what you observe
200
Where are electrons found?
In the orbitals
200
If an atom has 8 protons and 10 neutrons, what is it's isotope name?
oxygen- 16
200
Which of the following would have the largest atomic radius?
Lithium
Boron
Carbon
Oxygen
Lithium
200
Ionic compounds are generally between ___________
A metal and nonmetal, and a cation and anion
300
What axis is the independent variable graphed on?
x-axis
300
The atomic number of an element is defined by its number of ________.
Protons
300
Elements know for their limited chemical reactivity are in which family?
Noble gases
300
Which of the following elements would have a larger ionic radius compared to its atomic radius?
Lithium
Copper
Silver
Bromine
Bromine
300
What would be the name for CuBr
Copper (I) Bromide
400
What variable is the dependent variable graphed on?
y-axis
400
What is the negatively—charged particle in an atom?
Electrons
400
List 2 properties of metals
shiny, malleable, ductile, conducts electricity...
400
Which of the following elements is the least metallic?
aluminum
copper
strontium
Cesium
Aluminum
400
What would be the name for CCl4?
Carbon Tetrachloride
500
What should you do if glassware is broken?
Tell the teacher
500
Which statement about the nucleus of an atom is incorrect?
It’s very dense
It’s positively charged
It contains most of the volume of an atom
3 Volume
500
Name 2 properties of nonmetals
Dull, brittle, doesn't conduct, gas at room temp...
500
Elements in the same group have similar chemical properties. This similarity is mostly due to the atoms’
Valence Electrons
500
In the ionic solid sodium chloride (NaCl), there is a _________ ratio of sodium ions to chlorine ions.
1:1