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WorksheetsChapter 3 quizziz
Total questions: 20
Worksheet time: 10mins
What was John Dalton's Atomic Theory?
Atoms are made of three types of particles
All matter is made of atoms that cannot be divided or destroyed
The very small charged nucleus, containing much of the atom's mass, is orbited by low-mass electrons
The group of elements that have the same properties as metals and nonmetals?
Noble gasses
Alloys
Metalloids
Actinides
In Rutherford's experiment, what were Alpha particles radiated on?
Aluminum foil
Pitchblende
Gold foil
Compounds
What happened when Alpha particles were radiated on gold foil in Rutherford's experiment?
The particles passed through because of the electron cloud
The particles were stopped by the charge of the electrons
The particles passed through because of the nucleus
The particles were stopped by the charge of the protons
What group of elements are man-made?
Alloys
Metalloids
Noble gasses
Actinides
What group of elements have properties of metals and non-metals?
Halogens
Metalloids
Noble gasses
Actinides
Elements at the bottom of the periodic table are _______ reactive than elements at the top of the periodic table?
more
less
the same
What happens to the size of the radius of an atom as you move to the right on the periodic table?
increases
decreases
stays the same
What is the atomic mass of Einsteinium?
99
5f^11 7s^2
252.083
What is the atomic number of Hafnium?
72
4f^14 5d^2 6s^2
178.49
What are the units for the mass of the elementary particles? (protons, neutrons, and electrons)
kg
g
oz
amu
What is given away, shared, or accepted by an atom when a chemical reaction occurs?
Proton
Electron
Nucleus
Neutron
Check off all categories of matter
Element
Heterogeneous
Compound
Ions
Homogeneous
What is made when an acid and a base react?
Homogeneous mixture
An element
Ions
A salt
If you tested the pH of Dr. Pepper (and acid) what would it be?
7
11
3
13
If you were to test scrubbing bubbles shower cleaner (a base) with litmus paper, what color would it turn?
blue
green
red
white
What are homogeneous mixtures? (there are more than one)
Milk
Stir fry
Peanut butter
Taco
How is a mixture created?
When two or more substances chemically combine
When two or more substances physically combine
When two or more compounds break apart
When two or more substances filter apart
What type of mixture can be separated with a sieve
A homogeneous mixture with various sized items
A heterogeneous mixture with various sized items
A heterogeneous mixture with the same sized items
A homogeneous mixture with the same sized items
What type of mixture be separated using chromatography?
Heterogeneous
Homogeneous
Compounds
Ions
