A student is working with four different solid substances: sodium (Na), calcium (Ca), copper (Cu), and iodine (I). Which substance is most likely to break easily into many smaller pieces? sodium calcium copper iodine

Coal crude oil and natural gas which other process is similar to the burning of those compound

A neutral lithium (Li) atom has an atomic number of 3 and a mass number of 7. How many neutrons are in this atom of lithium?

The light of a star that can be seen from Earth A. Constellation B. Apparent Magnitude C. Absolute magnitude

The greenhouse effect can be compared to ... A) a car with it's windows closed parked in the sun. B) a person lying on a sunny beach. C) steam coming off of a pot of boiling water. D) heat coming off a fire.

a clay pot at room temperature is placed in a kiln, and the pot's temperature doubles. How much more heat per second is the pot radiating when hot compared to when cool?

Gloria is writing the chemical formula for a compound using its chemical name. She has just identified the names of the elements in the compound. What tool will she use next?

Warm-Up A 206-gram bar of iron has sunlight shining on it. Initially, its temperature is 24.7°C. As it gains 1,070.79 joules of energy, its temperature rises to 36.2°C. Calculate the specific heat capacity of the iron bar using the formula Q = mCAT.

Was the rock pulled apart, pushed together, or did it slide past another rock to make this formation what type of fault is this

What is Chronatography

Which of these describes an endothermic reaction? -Energy is absorbed by the reaction. -Energy is released by the reaction. -Energy is created in the reaction. -No energy is transferred by the reaction. What is the answer?