Problem 1
Which of the following of Dalton's proposals proved to be invalid? (a) Atoms are indestructible. (b) Atoms of the same element are identical. (c) Atoms can combine in more than one whole number ratio.
Problem 2
Which of the following of Dalton's proposals proved to be invalid? (a) Atoms of different elements combine to form compounds. (b) Atoms can combine in small whole number ratios. (c) Atoms are indivisible.
Problem 3
State two experimental laws Dalton used to support the atomic theory.
Problem 4
State three scientists whose work Dalton used to support the atomic theory.
Problem 5
What do the raisins represent in the plum pudding model of the atom?
Problem 6
What does the pudding represent in the plum pudding model of the atom?
Problem 7
What is the simplest negative particle in an atom?
Problem 8
What is the simplest positive particle in an atom?
Problem 9
What is the relative charge on an electron?
Problem 10
What is the relative charge on a proton?
