FREE SCIENCE AND STUDY GAMES ABOUT PROPERTIES

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FREE SCIENCE AND STUDY GAMES ABOUT PROPERTIES

OF MATTER EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -34 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: What are ions?

Answer:

When an atom loses or gains an electron -When it loses an electron it is a positive ion and when it gains one it is a negative ion

Question 2: What state do all metalloids come in?

Answer:

Solids

Question 3: What is a substance?

Answer:

Matter that has the same composition and properties all throughout- Elements are substances

Question 4: How many valence electrons does an atom need to be satisfied?

Answer:

• to form an octet

Question 5: What is an element?

Answer:

Matter made up of one kind of atom

Question 6: What is atomic mass?

Answer:

# of protons + # of neutrons - weight of element

Question 7: Ionic bonding occurs between what kinds of elements

Answer:

Between metals and nonmetals

Question 8: What do all elements in a period have in common?

Answer:

The same number energy levels

Question 9: What are molecules?

Answer:

Two or more atoms that are chemically joined together

Question 10: Where is almost all the weight of an atom located?

Answer:

In the nucleus of an atom

Question 11: What are periods?

Answer:

Groups in the periodic table going horizontally

Question 12: In the isotope chlorine-35 what does the 35 refer to?

Answer:

The atomic mass

Question 13: What do all elements in groups have in common?

Answer:

Have similar properties and form similar bonds- same number of valence electrons

Question 14: Which characteristics describe most nonmetals in the solid phase?

Answer:

Brittle, cannot change shape without breaking, lack metallic luster Question 15: In ionic bonding, electrons are transferred but in covalent bonding they are...

Answer:

Shared

Question 16: What is an atomic number?

Answer:

The number of protons an atom has

Question 17: What is an isotope?

Answer:

An element with a different number of neutrons than the periodic table suggests

Question 18: What are two types of mixtures?

Answer:

Heterogeneous- The same throughout Homogeneous- Different throughout

Question 19: Metals that are malleable are...

Answer:

Easily bent and formed into lots of shapes

Question 20: Metals that are ductile are...

Answer:

Drawn out into wires without breaking

Question 21: Where are neutrons located?

Answer:

In the nucleus

Question 22: What are valence electrons?

Answer:

Electrons on the outer shell of elements

Question 23: How many electrons can each shell hold?

Answer:

First shell- two electrons Second shell- 8 electrons Third shell- 18 electrons Fourth shell- 32 electrons Fifth shell-- 50 electrons Sixth shell- 72 electrons

Question 24: Where are protons located?

Answer:

In the nucleus of atoms

Question 25: What is a neutron?

Answer:

A particle with no charge

Question 26: Covalent bonding occurs between what kinds of elements

Answer:

Between two nonmetals

Question 27: Where are electrons located?

Answer:

Floating around the nucleus