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WorksheetsAtoms and Elements Practice Quiz
Total questions: 12
Worksheet time: 5mins
An atom can be identified by its number of ____________.
protons
electrons
neutrons
electron shells
Which subatomic particles are found INSIDE the nucleus?
protons and electrons
protons and neutrons
neutrons and electrons
neutrons, protons, and electrons
Which of the following is NOT TRUE about the electrons.
Bond with other atoms
Have negative charge
Are equal to the number of protons
Found inside the nucleus
Identify the atom's element.
Titanium
Iodine
Zirconium
Krypton
Who is credited with making the first periodic table?
Henry Mosley
Albert Einstein
Isaac Newton
Dmitri Mendeleev
Today's periodic table is arranged by _________________.
increasing atomic mass
increasing atomic number
decreasing atomic size
alphabetically
Which of the following best describes a metal?
dull
brittle
low melting point
malleable
Which of the following best describes a nonmetal?
high melting points
shiny
poor conductors of heat
ductile
An element that are semiconductors, can be shiny or dull, and soft or hard are best described as......
metals
nonmetals
metalloids
Which of the following is an ionic bond?
CO2
NH3
FeCl3
CH4
Which of the following is NOT true about an ionic bond?
cations and anions
the electrostatic attraction between two oppositely charged ions
metals lose electrons, and nonmetals gain electrons
valence electrons are shared
How many O's are in Ca3(PO3)2
3
2
5
6
