Matter: Question Preview (ID: 12630)

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Which of these is NOT an example of matter?
a) The air in the wind b) The water in the ocean c) The sand on the beach d) The bright sunlight
The number of protons in the nucleus of an atom is also called the
a) Ion b) Mass Number c) Atomic number d) Atomic weight
The sum of the protons and neutrons in the nucleus of an atom is called the
a) Ion b) Atomic mass c) Atomic number d) Weight number
Atoms are mostly composed of:
a) Neutrons b) Electrons c) Protons d) Empty space
Elements with the same number of protons but different number of electrons are called:
a) Isotopes b) Pairs c) Ions d) Metals
An atom of helium has two protons and charge of zero. How many electrons does an atom of helium have?
a) 0 b) 1 c) 2 d) 4
Which of these describes the location of the neutrons in an atom?
a) In the center of the atom b) Orbiting the center of the atom c) Distributed evenly throughout the atom d) Scattered randomly
Which of these describes the property that changes the MOST when a molecule loses an electron?
a) The mass of the molecule b) The charge of the molecule c) The number of neutrons d) The elements of the molecule
Which element is least likely to combine with another element?
a) Iron (Fe), a metal b) Neon (Ne), a noble gas c) Silicon (Se), a metalloid d) Chlorine (Cl), a halogen
Which element would most likely bond with Oxygen (O)?
a) Mg (magnesium) b) Na (sodium) c) K (potassium) d) P (phosphorous)
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