Q: Q: Sodium and chloride ions have equal but what charges? Choices: - path - positive - simple - opposite A:
A: opposite

Q: Q: What is the simplest unit that has the fundamental chemical properties of an element? Choices: - neutron - nucleus - cell - atom A:
A: atom

Q: Q: Glass breaking is an example of what type of change that doesn't affect the makeup of matter? Choices: - reversible - thermal - chemical - physical A:
A: physical

Q: Q: Through a succession of mitotic cell divisions, what gives rise to a large number of cells? Choices: - condensation - air - cytoplasm - zygote A:
A: zygote