Multiple Choice 1. The study of matter and the changes it undergoes is called a

Question

Multiple Choice 1. The study of matter and the changes it undergoes is called a physics h. chemistry c.biology d.organic 2. The quantity of matter per unit of volume is a density b. inertia c. weight -3. The melting of candle wax is a physical change because: a. produces no new substances c. absorbs heat b. transfers energy d. chemically changes the wax 4, what is the mass of 1 mole of chromium? a. 12 grams b. 198 grams c.52 grams d. 64.5 grams 5. Aluminum isotope consists of 13 protons, 13 electrons and 14 neutrons, Its mass number is a. 13 b. 14 c27d. 40 6. A covalent bond results from the attraction of the nuclei and a. electrons b. protonsc.neutrons d. dipoles 7. a. atom A group of atoms held together by a covalent bond is a(n) b. chemical c. molecule d. ion 8, If the difference in electronegativity is larger than 1.7, than the bond is: e covalent b. polar c. nonpolar d, ionic . The idea of arranging the elements in the periodic table by their a. Mendeleev 10, A horizontal row on the periodic table is called a(n) properties is attributed to: b. Moseley c. Bohr d. Ramsay a group b. period c. family d. octet 11. Isotopes of an element contain different numbers of

Explanation / Answer

1. b Chemistry

2. a density

3. b transfers energy

4. c 52 grams

5. c 27

6. a electrons

7. c molecule

8. d ionic

9. a Mendeleev

10. b period

Related Questions

Navigate

• Browse (All)
• Browse M
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.