What is the charge of an atom's nucleus if the atom has 25 protons, 30 neutrons, and 25 electrons

Which of the following types of rocks forms from cooling lava at earth's surface A. Metaphoric B. Igneous C. Sedimentary

What does integumentary mean?

Frequency of Deer at Local Pond Date Daily High Number of Deer Temperature (°F) Seen at Pond 45 7 January 1 February 1 March 1 52 10 61 14 73 22 April 1 May 1 83 32 A scientist observed the number of deer that came to drink at a local pond on five

If an atom's mass number is 210 and its atomic number is 85, how many neutrons does it have?

A chemical reaction, where more energy is released than is needed to get the reaction started, is called? A) A really amazing reaction B) Endothermic C) Exothermic D) Non-reactive

Mitochondria are responsible for dna maintenance storage making protein providing energy for the cell

A hot air balloon contains 40.0 liters of helium gas at 203 kilopascals. What will be the volume of the helium when the balloon rises to an altitude where the pressure is only 35.0 kilopascals?

Which characteristic of a substance is considered a chemical property

How does the genetic code lead to variation?

Which of the following are not likely to form bonds? gold atoms oxygen atoms neon atoms magnesium and chlorine atoms