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WorksheetsQuizizz 16
Total questions: 36
Worksheet time: 27mins
The particles with no charge in an atom are the _______.
electrons
neutrons
protons
protons and neutrons
The negatively charged particles of an atom are the ______.
electrons
protons
neutrons
protons & neutrons
What does the nucleus of an atom contain?
Electrons and neutrons
Protons and neutrons
Neutrinos and positrons
DNA and RN
The positively charged particles of an atom are the ________.
electrons
protons
neutrons
protons & neutrons
What is the central part of an atom called?
Electron
Nucleus
Proton
Neutron
Which subatomic particle has a positive charge?
Electron
Neutron
Proton
Nucleus
What is the atomic number of an element determined by?
Number of neutrons
Number of protons
Number of electrons
Atomic mass
Which of the following is a characteristic of electrons?
They are positively charged
They are found in the nucleus
They have negligible mass compared to protons and neutrons
They determine the atomic number
Which subatomic particles are found in the nucleus of an atom?
Electrons and protons
Neutrons and electrons
Protons and neutrons
Electrons only
The electrical charge of an electron is ____.
positive (+)
neutral (0)
negative (-)
The electrical charge of a neutron is ____.
positive (+)
neutral (0)
negative (-)
The electrical charge of a protons is ____.
positive (+)
neutral (0)
negative (-)
Identify the atomic mass
79
Au
Gold
196.967
What does the nucleus of an atom contain?
Electrons & Neutrons
Protons & Neutrons
Neutrinos & Positrons
Smallest particle you can break a substance into and still be that element
Element
Atom
Molecule
the smallest part of an element that retains the properties of the element is the
nucleus
electron
atom
neutron
Which atom has 4 protons, 4 neutrons, and 5 electrons?
What is material that has mass and takes up space?
volume
mass
matter
density
What is the system of electrons surrounding the nucleus of an atom?
valence electrons
nucleus
electrons
electron cloud
The center of an atom is called the ________________.
electron cloud
nucleus
neutrion
nuetron
Which scientist is best known for his "Plum Pudding" model of the atom?
Democritus
John Dalton
Ernest Rutherford
J.J. Thomson
Rutherford's gold foil experiment provided evidence that...
Negative and positive charges are spread evenly throughout the atom.
Alpha particles have a positive charge.
Gold is not as dense as previously thought.
There is a dense positively charged nucleus at the center of an atom.
p+
Protein
Proton
Positive
Protactinium
n0
Neutral
Neutrino
Neutron
Neodymium
e-
Electrical
Electron
Eccentric
Negative
According to the periodic table what element is in group 9 period 4?
Hydrogen
Magnesium
Cobalt
Sulfur
According to the periodic table what element is in group 1 period 1?
Hydrogen
Manganese
Oxygen
Nitrogen
A __________ goes up and down on the periodic table.
Group
Period
A _________ goes side to side on the periodic table.
Group
Period
There are_______ periods and _________ groups in the periodic table.
8, 7
18, 7
15, 10
7, 18
