A large marble is dropped in a graduated cylinder with 35ml of water in it. The water level increases to 49ml. What is the volume of the marble

Which cell structures are correctly paired with their functions? A. The mitochondria produce enzymes, and ribosomes transport them. B. The ribosomes make proteins, and the nucleus stores genetic information. C.

What is the atomic mass of an atom that has 3 protons and 4 neutrons

A student builds a circuit that lights a lightbulb. A second bulb is added to the same loop between the first bulb and the battery. Which statement describes the brightness of each bulb? Each bulb will be dimmer than the first bulb was.

What makes an effective collision

Which statement applies to electronegativity? A.) Electronegativity increases across a period. B.) All atoms with the same number of electron shells have equal electronegativities. C.

Which of the following contains both ionic and covalent bonding? CH4 NaCl NH4Cl N2O4 If the formula for a compound is represented by X2Y3 and the charge on the Y ion is - 2, what is the charge in the X ion? +1 +2 +3 +4

Qual e o maior orgao do corpo humano

Whic of the following fromulas represents a nonpolar molecule? a) N2 b) H2O c) NaCI d) HCI

What is the density of 19.2 g of oak that has a volume of 25.7 cm3?

Which of these is a compound? О co2, O2, Co