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Presentation transcript:

© 2015 Pearson Education, Inc.

If an element has an atomic number of 9 and an atomic mass of 19, how many neutrons does it have? 10 19 28 Answer: B © 2015 Pearson Education, Inc.

If an element has an atomic number of 9 and an atomic mass of 19, how many neutrons does it have? 10 19 28 © 2015 Pearson Education, Inc.

If an atom gains electrons, it is called a(an) ion. anion. cation. isotope. Answer: B © 2015 Pearson Education, Inc.

If an atom gains electrons, it is called a(an) ion. anion. cation. isotope. © 2015 Pearson Education, Inc.

A pH of 9 is acidic. basic. neutral. strongly acidic. Answer: B © 2015 Pearson Education, Inc.

A pH of 9 is acidic. basic. neutral. strongly acidic. © 2015 Pearson Education, Inc.

Electrons are shared equally in this type of bond. hydrogen ionic polar covalent nonpolar covalent Answer: D © 2015 Pearson Education, Inc.

Electrons are shared equally in this type of bond. hydrogen ionic polar covalent nonpolar covalent © 2015 Pearson Education, Inc.

Which of the subatomic particles has a positive charge? neutron electron proton anion Answer: C © 2015 Pearson Education, Inc.

Which of the subatomic particles has a positive charge? neutron electron proton anion © 2015 Pearson Education, Inc.

The first three rings of an atom should hold how many electrons? 2, 2, 2 2, 2, 8 2, 4, 8 2, 8, 18 Answer: D © 2015 Pearson Education, Inc.

The first three rings of an atom should hold how many electrons? 2, 2, 2 2, 2, 8 2, 4, 8 2, 8, 18 © 2015 Pearson Education, Inc.

What is the symbol for potassium? K Pm Answer: C © 2015 Pearson Education, Inc.

What is the symbol for potassium? K Pm © 2015 Pearson Education, Inc.

Which of the following is NOT a vital property of water? cushioning high heat capacity solvent properties electrolyte activity Answer: D © 2015 Pearson Education, Inc.

Which of the following is NOT a vital property of water? cushioning high heat capacity solvent properties electrolyte activity © 2015 Pearson Education, Inc.

What is the valence shell? the first shell of electrons an incomplete shell of electrons the last shell of electrons the sum of all the electron Answer: C © 2015 Pearson Education, Inc.

What is the valence shell? the first shell of electrons an incomplete shell of electrons the last shell of electrons the sum of all the electron © 2015 Pearson Education, Inc.

Which of the following is NOT an inorganic compound? salts water acids phospholipids Answer: D © 2015 Pearson Education, Inc.

Which of the following is NOT an inorganic compound? salts water acids phospholipids © 2015 Pearson Education, Inc.

A bond that involves the transfer of electrons is called a(an) covalent bond. hydrogen bond. ionic bond. electronic bond. Answer: C © 2015 Pearson Education, Inc.

A bond that involves the transfer of electrons is called a(an) covalent bond. hydrogen bond. ionic bond. electronic bond. © 2015 Pearson Education, Inc.

Which of the following numbers is within the homeostatic pH balance of blood? 6.40 7.42 7.50 7.30 Answer: B © 2015 Pearson Education, Inc.

Which of the following numbers is within the homeostatic pH balance of blood? 6.40 7.42 7.50 7.30 © 2015 Pearson Education, Inc.

Which of the following substances comprise a protein? steriods amino acids phospholipids polysaccharides Answer: B © 2015 Pearson Education, Inc.

Which of the following substances comprise a protein? steriods amino acids phospholipids polysaccharides © 2015 Pearson Education, Inc.

What type of energy is released in a decomposition reaction? potential energy kinetic energy electrical energy mechanical energy Answer: B © 2015 Pearson Education, Inc.

What type of energy is released in a decomposition reaction? potential energy kinetic energy electrical energy mechanical energy © 2015 Pearson Education, Inc.

Which of the following pH values is the strongest acid? 6.35 4.50 7.45 6.90 Answer: B © 2015 Pearson Education, Inc.

Which of the following pH values is the strongest acid? 6.35 4.50 7.45 6.90 © 2015 Pearson Education, Inc.

The bond in a water molecule is a(an) ____ bond. hydrogen polar covalent nonpolar covalent ionic Answer: B © 2015 Pearson Education, Inc.

The bond in a water molecule is a(an) ____ bond. hydrogen polar covalent nonpolar covalent ionic © 2015 Pearson Education, Inc.

In the formation of NaCl, chloride receives an electron from sodium In the formation of NaCl, chloride receives an electron from sodium. This makes chloride a(n) covalent bond. cation. anion. isotope. Answer: C © 2015 Pearson Education, Inc.

In the formation of NaCl, chloride receives an electron from sodium In the formation of NaCl, chloride receives an electron from sodium. This makes chloride a(n) covalent bond. cation. anion. isotope. © 2015 Pearson Education, Inc.