Q: Q: What are atoms or groups of atoms called which carry and electrical charge? Read this paragraph and choose the correct option from the provided answers: Atoms or groups of atoms that carry an overall electrical charge are referred to as ions. Cations can be formed when a neutral species loses electrons, while anions are formed when a neutral species gains electrons. Choices: - protons - molecules - electrons - ions A:
A: ions

Q: Q: What is an ionic compound that produces negative hydroxide ions when dissolved in water Read this paragraph and choose the correct option from the provided answers: A base is an ionic compound that produces negative hydroxide ions when dissolved in water. Bases taste bitter and turn red litmus paper blue. Choices: - catalyst - acid - isomer - base A:
A: base

Q: Q: The sun's gravity is relatively strong because the force of gravity between two objects is directly proportional to their what? Read this paragraph and choose the correct option from the provided answers: As you can see in this NASA photo, Earth is tiny compared with the massive sun. The sun's gravity is relatively strong because the force of gravity between two objects is directly proportional to their masses. Gravity between the sun and Earth pulls Earth toward the sun, but Earth never falls into the sun. Instead, it constantly revolves around the sun, making one complete revolution every 365 days. Choices: - tissues - Liquids - rocks - masses A:
A: masses

Q: Q: Water has the properties of cohesion and what else? Read this paragraph and choose the correct option from the provided answers: Water has the properties of cohesion and adhesion. Define these two properties, and explain why they occur in water. Choices: - absorption - degradation - diffusion - adhesion A:
A: adhesion