Chemistry Questions

Once heat from the Sun penetrates the Earth's atmosphere, the heat is circulated as warm air rises and cold air sinks. What is this process called?1. convection2. radiation3. reflection4. conduction
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When making a guess, you are forming a_______. Can you help me complete this sentence??!?!!?
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the tip of a match contains chemical energy. Kevin's father lit a match and blew out the flame. then he tried to light the same match again . Kevin observed that nothing happened. what can you infer from this observation?
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Summarize the effects of shearing, compression, and tension on Earth's crust.
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If an element has more than one ionic charge, how is that piece of information represented in a chemical name?
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Name the biome that has nutrient rich soil and is most often used for agriculture
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If you bend a straight chain of carbons, do you make a different structure? Why or why not?
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What are the electrons is the outer shell of an atom called?What charge will elements in Group 2 form when they are involved in an ionic bond?
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Why do scientist use models to study atoms
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What is the shaking or sliding of Earth’s surface called?
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If an orange is orange, why isn't a lime called a green or a lemon called a yellow?
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List 4 methods that can be used to separate mixtures and physical properties that are used when using each method.this is for my homework! please help!!!
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The smallest part or fragment of an atom
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Water is a very important factor for us individually, but its importance stretches further than that. For instance, because water absorbs _______ very well, the oceans help stabilize temperatures around the world.
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What effect does observing a substance's physical properties have on the substance?
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Where is the ion charge located in the isotope symbol?
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Is NO a polar molecule?
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Suggest one reason why hydrogen is called a "clean fuel"
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