Problem 1
Explain the difference between the vocabulary words in each of the following sets. $$ \text { atom-element } $$
Problem 2
Which of the following has a negative charge? A. electron C. nucleus B. proton D. neutron
Problem 2
Explain the difference between the vocabulary words in each of the following sets. $$ \text { mass number-atomic number } $$
Problem 3
In which type of bond do atoms share electrons? A. metallic C. ionic B. hydrogen D. covalent
Problem 4
Explain the difference between the vocabulary words in each of the following sets. $$ \text { matter-compound-element } $$
Problem 4
Which state of matter consists of ions and electrons? A. solid C. gas B. plasma D. liquid
Problem 5
Which particle orbits an atom's nucleus? A. isotope C. proton B. neutron D. electron
Problem 5
Explain the difference between the vocabulary words in each of the following sets. heterogeneous mixture-homogeneous mixture
Problem 6
Which of the following terms best describes seawater? A. solution C. isotope B. ion D. element
Problem 6
Explain the difference between the vocabulary words in each of the following sets. $$ \text { proton-neutron-electron } $$
