15PTS! Give the element that is represented by the symbol Cr. Describe one use for the element

Which compound has both ionic and covenant bonds

Why is coal not classified as a mineral? a. it is made of organic material b. it has no crystal shape c. it is not a solid d. it does not occur naturally p. s theres not a science option so i just put chemistry

If a 1.85 g mass of zinc produces 475 mL of gas and your balloon weighs 0.590 g and the room temperature is 23.5°C.

When two forces act in opposite directions the object will accelerate in the same direction as the blank force?

Which is not one of the eight most common elements in Earth's continental crust? silicon carbon aluminum oxygen

Which process occurs at the anode in an electrochemical cell? (1) the loss of protons (2) the loss of electrons (3) the gain of protons (4) the gain of electrons

What is natural transmutation?

An electron in a sodium atom gains enough energy to move from the second shell to the third the sodium atom becomes

What is temperature in science, how fast molecules move or how cold or hot something is?

Which describes an object's speed when free falling in a vacuum? The object accelerates until it reaches its terminal velocity. The object falls at a constant speed because only one force acts on it.