Multiple Choice
An element is a substance that
A) can be broken down into simpler substances by physical means.
B) cannot be broken down into simpler substances by physical means.
C) can be broken down into simpler substances by chemical means.
D) cannot be broken down into simpler substances by chemical or physical means.
Correct Answer:

Verified
Correct Answer:
Verified
Q17: In which of the following sequences of
Q18: Which of the following is a correct
Q19: Which one of the following statements about
Q20: A substance has a freezing point of
Q21: A substance is composed of diatomic molecules.
Q23: For the elements calcium, iron, and beryllium;
Q24: Which of the following statements concerning mixtures
Q25: Which of the following substances contains same
Q26: A substance has a variable composition. Choose
Q27: When substance A reacts with substance B,