Q: What is the basic chemical building block of matter; it is the simplest chemical substance? Choices: - atoms - helium - hydrogen - element A:
element

Q: What type of organism, including sea stars and sand dollars, is named for their spiny skin? Choices: - mollusks - diatoms - chordates - echinoderms A:
echinoderms

Q: Q: What kind of conditions are often inherited as simple recessive traits? Choices: - genetic diversivers - genetic ratios - genetic neurotransmitters - genetic disorders A:
A: genetic disorders

Question: Q: The most common carbon atoms have six protons and six neutrons in their what? Choices: - ribosomes - neuron - membrane - nuclei A:
Answer: nuclei

*Question*
Q: What is emitted by atoms that have been excited by thermal excitation, electron collision, or collisions with photons of exactly the right frequency? Choices: - electricity - gravity - radioactivity - light A:
**Answer**
light

Q: Monatomic ions have an oxidation number equal to their what? Choices: - size - cost - length - charge A:
charge