1. How do nonmetals form negative ions? a. by sharing electrons b. by losing one or...
1. How do nonmetals form negative ions?
a. by sharing electrons
b. by losing one or more electrons
c. by bonding with other negative ions
d. by losing one or more protons
e. by gaining one or more electrons
2. Choose the most electronegative atom:
a. He b. Cl c. Mg d. S e. Os
Homework Answers
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1. How do nonmetals form negative ions?
a. by sharing electrons
b. by losing one or...
A polar-covalent bond between two atoms is best described as A. Equal sharing of electrons between...
A polar-covalent bond between two atoms is best described as A. Equal sharing of electrons between the two atoms B. No sharing of electrons between the two atoms C. Unequal sharing of electrons between the two atoms D. Unequal sharing of protons between the two atoms E. One atom lost an electron completely and the other atom gain that electron completely
1. How many moles are present in 1.51 x 1023 molecules of HCl? A. 9.12 mol...
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Multiple-Cholce: Select the best answer to each of these multiple choice 1. Which of the following...
Multiple-Cholce: Select the best answer to each of these multiple choice 1. Which of the following descriptions of a subatomic particle is correct? a) A proton has appositive charge and a mass of approximately 1 amu 9. b) An electron has a negative charge and a mass of approximately 1 amu c) A neutron has no charge and its mass is negligible d) A proton has appositive charge and a negligible mass. e) A neutron has appositive charge and a...
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CHEMWORK Complete the following table to predict whether the given atom will gain or lose electrons...
CHEMWORK Complete the following table to predict whether the given atom will gain or lose electrons in forming an ion. Enter the formula of the ion formed. (Express your answer as a chemical formula.) Atom Gain or lose electrons Ion formed Be lose Na lose Са gain gain Se gain Submit Try Another Version 2 item attempts remaining Submit Answer [References Complete the following table. Atom/Ion protons neutrons electrons zase Zn2+ 1902- 24 Mg 1 pt This question has multiple...
1) When comparing the size of ions to the neutral atom from which they are formed, which of the following is true?...
1) When comparing the size of ions to the neutral atom from which they are formed, which of the following is true? A) cations are larger than the neutral atom; anions are larger than the neutral atom B) cations are smaller than the neutral atom; anions are smaller than the neutral atom C) cations are larger than the neutral atom; anions are smaller than the neutral atom D) cations are smaller than the neutral atom; anions are larger than the...
..ll T-Mobile 2:05 PM 29% 12) of the four elements most prevalent in living organisms, which...
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1. How many electrons appear in the Lewis symbol for an element whose electron configuration is...
1. How many electrons appear in the Lewis symbol for an element whose electron configuration is 1s'2s'2p? a. 2 b. d. 2. In which of the following ionic compounds are ions with a +2 charge present? a LiSe c Mg,Si d. SnO 3. The Roman numeral ." in the name iron(m) oxide indicates that: a. iron is present in the form of +3 ions b. there are three iron atoms per formula unit c. there are three oxygen atoms per...
Are the basic units of matter: a) Elements b) Atoms c) Electrons d) Protons e) Neutrons...
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Multiple-Cholce: Select the best answer to each of these multiple choice 1. Which of the following descriptions of a subatomic particle is correct? a) A proton has appositive charge and a mass of approximately 1 amu 9. b) An electron has a negative charge and a mass of approximately 1 amu c) A neutron has no charge and its mass is negligible d) A proton has appositive charge and a negligible mass. e) A neutron has appositive charge and a...
Chemistry, Nutrition, and Digestion UNIT 2 COOPERATIVE HOMEWORK ASSIGNMENT #1 (10 points) Questions are worth 1/2 point each unless marked otherwise Names of Group Members (list names in ALPHABETICAL ORDER) (recall) Fill in the blank with the most appropriate term. The negatively charged particles of an atom are called The positively charged particles of an atom are called How a substance will react with other chemicals is determined by the number of electrons in its An ionic compound that absorbs...
CHEMWORK Complete the following table to predict whether the given atom will gain or lose electrons in forming an ion. Enter the formula of the ion formed. (Express your answer as a chemical formula.) Atom Gain or lose electrons Ion formed Be lose Na lose Са gain gain Se gain Submit Try Another Version 2 item attempts remaining Submit Answer [References Complete the following table. Atom/Ion protons neutrons electrons zase Zn2+ 1902- 24 Mg 1 pt This question has multiple...
1) When comparing the size of ions to the neutral atom from which they are formed, which of the following is true? A) cations are larger than the neutral atom; anions are larger than the neutral atom B) cations are smaller than the neutral atom; anions are smaller than the neutral atom C) cations are larger than the neutral atom; anions are smaller than the neutral atom D) cations are smaller than the neutral atom; anions are larger than the...
..ll T-Mobile 2:05 PM 29% 12) of the four elements most prevalent in living organisms, which element makes up the highest percentage? A) sulfur B) sodium C) oxygen D) potassium E) carbon 13) An atom of an element has atomic number of 6 and mass number of 14. From this information, we can determine that the nucleus has : A) 6 protons. B) 8 electrons. C) 8 neutrons. D) 6 protons and 8 electrons. E) 6 protons and 8 neutrons....
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Are the basic units of matter: a) Elements b) Atoms c) Electrons d) Protons e) Neutrons Has a negative charge: a) Elements b) Atoms c) Electrons d) Protons e) Neutrons Whether an atom will interact with other atoms depends on how many electrons it has. a) True b) False How many electrons are in the second orbital of an atom? a) 2 b) 6 c) 8 d) 4 e) 10 How many Hydrogen atoms does a water molecule have? a)...
8. Spectator ions a remain as ions in the reaction and precipitate b. remain as molecules in the reactions and precipitate c. They form precipitate because they do not participate in the reaction d. None of the above 9. Polyprotic acids are a. Acids with more than one Hydrogen b. Acids that can form both hydrogen and Hydronium ions c. Acids that can act as acceptors as well as donors of Hydrogen d. Acids that have sweet taste 10. In...
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