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Chapter: 4 / Q: 30
What is the difference between ions and molecules
Chapter: 4 / Q: 31
Of the four different types of matter listed below which is not an example of an element
Chapter: 4 / Q: 32
A certain pure substance, A, when heated is changed into two quite different pure substances, C and D. Which of the following statements must be true?
Chapter: 4 / Q: 33
Which of the following statements about atoms is FALSE
Chapter: 4 / Q: 34
In which of the following sequences are particles listed in order of increasing size from left to right
Chapter: 4 / Q: 35
Which of the following is the name of a subatomic particle
Chapter: 4 / Q: 36
Two atoms have the same mass number but different atomic numbers. Which of the following statements concerning these atoms is TRUE
Chapter: 4 / Q: 37
What is the atomic number of the element occupying Group VA and Period 4 of the Periodic Table
Chapter: 4 / Q: 38
Some atoms of iodine, I, contain 53 protons and 78 neutrons in their nuclei. A correct symbol for these atoms would be:
Chapter: 4 / Q: 39
Which of the following atoms normally forms ions having a single, positive charge
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