An atom has 13 protons, 13 neutrons, and 13 electrons. Another atom has 13 protons, 14 neutrons, and 13 electrons. Analyze and explain how these two atoms are related.

If soap hits the floor, is the soap dirty or the floor clean?

What do the numbers listed for an element on the periodic table represent? the smaller number is the mass, and the greater number is the atomic number. the smaller number is the number of protons, and the greater number is the mass.

The salt sodium sulfate, Na2SO4, can be formed by a reaction between ... a. NaOH and HCL. b. NaCl and H2O. c. NaOH and H2SO4. d. NaCl and NH3.

What makes the Group 1 elements the most reactive metals? They have 8 valence electrons. They have 7 valence electrons. The have no valence electrons. They have 1 valence electron.

Answer me fast! When trying to determine speed you need to know - rate and time - distance and time - acceleration and time - acceleration and distance

A metal in group 2 of the periodic table can become a chemically stable ion by A. gaining one electron. B. losing one electron. C. gaining two electrons. D. losing two electrons.

Which of the following is not a part of Dalton's atomic theory? A. All elements are composed of atoms. B. Atoms of the same element are alike. C. Atoms are always in motion. D. Atoms that combine do so in simple whole-number ratios.

If an object has a mass of 20 kg and an acceleration of 15 m/s what would be the amount of force in Newton's acting on the object

The what form acidic compounds with hydrogen

Is comets greater than asteroids