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WorksheetsCh. 2.1 Nature of Matter 3T
Total questions: 10
Worksheet time: 5mins
What are the three particles that atoms are made of called?
protons, neutrons and isotopes
neutrons, isotopes and electrons
positives, negatives and neutrals
protons, neutrons and electrons
What particle is found in the space surrounding the nucleus of an atom?
protons
electrons
neutrons
ions
If an atom contains 3 protons, 4 neutrons, and 3 electrons, what is its mass number?
3
4
7
11
Isotopes are atoms of the same element with the same number of protons and a different number of
electrons
molecules
neutrons
ions
If an atom contains 11 protons and 12 neutrons, what is its atomic number?
1
11
12
23
A(n) _________ is a substance formed by the chemical joining of two or more elements in definite amounts?
compound
isotope
nucleus
enzyme
Which of the following statements about a compound is true?
The physical and chemical properties of a compound are usually very different from those of the elements from which it is formed.
Only the physical properties of a compound are usually the same as those of the elements from which it is formed.
Only the chemical properties of a compound are usually the same as those of the elements from which it is formed.
The physical and chemical properties of a compound are usually the same as those of the elements from which it is formed.
A covalent bond is formed as a result of
transferring electrons
sharing electrons
transferring protons
sharing protons
What type of electron is available to form bonds?
valence
nucleus
ionic
covalent
When an atom loses an electron, it becomes _______ charged.
neutrally
positively
negatively
radioactively
