Key Terms Test Chemical Interactions Chapter 1 Section 1

11 Questions | By Roy.manning | Last updated: Mar 16, 2022 | Total Attempts: 308

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CORRECTLY RESPOND TO THE FOLLOWING ITEMS.

Questions and Answers

1.

Anything that has mass and occupies space is__________.
2.

An __________ is substance that cannot be broken down into any other substances by chemical or physical means.
3.

A_________ is substance made of two or more elements chemically combined in a specific ratio, or proportion.
4.

A _______ is two or more substances that are mixed together but not chemically combined.
5.

The smallest particle of an element is called an ___________.
6.

scientific theory
- A.
  
  A well-tested idea that explains and connects a wide range of observations.
- B.
  
  The smallest particle of an element is called an
- C.
  
  Two or more substances that are mixed together but not chemically combined.
- D.
  
  A substance made of two or more elements chemically combined in a specific ratio, or proportion.
7.

electrons
- A.
  
  The smallest particle of an element is called an
- B.
  
  Two or more substances that are mixed together but not chemically combined.
- C.
  
  Anything that has mass and occupies space
- D.
  
  Negatively charged particles that move around outside the nucleus of an atom.
8.

nucleus
- A.
  
  The smallest particle of an element is called an
- B.
  
  The central core of the atom, containing protons and usually neutrons.
- C.
  
  Anything that has mass and occupies space
- D.
  
  Negatively charged particles that move around outside the nucleus of an atom.
9.

protons
- A.
  
  The smallest particle of an element is called an
- B.
  
  Negatively charged particles that move around outside the nucleus of an atom.
- C.
  
  Small, positively charged particles that are found in the nucleus of an atom.
- D.
  
  The central core of the atom, containing protons and usually neutrons.
10.

energy level
- A.
  
  A region of an atom in which electrons of the same energy are likely to be found.
- B.
  
  The central core of the atom, containing protons and usually neutrons.
- C.
  
  Small, positively charged particles that are found in the nucleus of an atom.
- D.
  
  Negatively charged particles that move around outside the nucleus of an atom.
11.

neutrons
- A.
  
  A region of an atom in which electrons of the same energy are likely to be found.
- B.
  
  Negatively charged particles that move around outside the nucleus of an atom.
- C.
  
  Small, positively charged particles that are found in the nucleus of an atom.
- D.
  
  Small, uncharged particles that are found in the nucleus of an atom.