8.7g+15.43g+19g?

853.2L-627.443L?

5.47m+11m+87.300m?

What is the most commonly used word for the element

When electrons gain energy, what can they do? A. drop to a lower energy level B. move to a higher energy level

How would a physicist be involved in addressing concerns about air pollution

Jeremy had a set of 500 toy blocks that could be connected by snapping them together. At first, he used all the blocks to build a small house. Later, he rearranged all the blocks to build a small car.

Grade 11 Objective 4. 1What is the density of this magnetic steel alloy? A 2.67 g/mL B 3.99 g/mL C 6.90 g/mL D 8.01 g/mL.

The molecules in a solid object A. flow freely around each other B. vibrate slowly C. are completely still all the time

How many moles of water can be obtained from the reaction of 4 moles of O2?

A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance B and a gas C. The gas has exactly the same properties as the product obtained when carbon is burned in an excess of oxygen.

C). If 0.5 mole of oxygen (0,) reacted with hydrogen (H2), how many mole of water (H, 0) was produced from the reaction?

A cube has a depth of 10 cm. What is the volume of the cube? Or What is depth?