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WorksheetsAtoms
Total questions: 11
Worksheet time: 6mins
An atom is described by which of the following?
The smallest unit of an element that has the chemical identity of that element.
It is the incorrect spelling of Adam.
Can only be described by its volume.
Something that Mr. Crear did not discuss with me.
What is an element?
Two or more substances combined.
The shorthand spelling of "elementary."
A substance that cannot be separated or broken down into simpler substances by chemical means.
Which of the following is not a state of matter?
Solid.
Liquid.
Soft.
Gas.
How are elements organized in the periodic table?
by density and date of discovery
by atomic number and properties
by atomic mass and melting point
by abundance in nature and usefulness to humans
Which of these is the smallest?
cells
atoms
matter
elements
How do atoms of copper (Cu) differ from atoms of aluminum (Al)?
They are not pure substances.
They have different chemical properties.
They can be formed by physical changes.
They are made up of more than one type of particle.
Which substance is one that cannot be separated or broken down into simpler substances by chemical means?
table salt
gold wire
candle wax
water vapor
Think about a wooden chair and a balloon. What do these two objects always have in common?
Both are made of atoms.
Both have the same physical properties.
Both are made of the same kind of atom.
Both are made of the same number of atoms.
Here is a portion of the periodic table. Which two elements are most likely to have similar physical properties?
copper and zinc
copper and silver
cadmium and indium
gallium and cadmium
Which statement correctly describes atoms?
Atoms combine to make all the substances on Earth.
Atoms of all substances have the same chemical properties.
Atoms are easily destroyed when matter is cooled or heated.
Atoms come in different sizes, but most are visible using a simple hand lens.
What is the atomic mass of the element calcium shown?
40.1 when rounding to the nearest hundredth
20.04
1
the amount of matter in an object
