For each of the following chemical symbols, determine the number or element symbol that goes in the appropriate position. If this atom of barium has 54 electrons and 81 neutrons, what value should X be in the chemical symbol? YBax X

More than one may apply An atom that differs in charge from another atom of the same element: has lost or gained electrons is called an ion is always called a cation has more or less neutrons is called an isotope has the same number of protons O always has the same number of neutrons

Given the following atomic symbol: ¹5X. How many neutrons, protons, and electrons are in the neutral isotope of atom X?

Fill in the table. Element Number of Protons Number of Neutrons Number of Electrons Mass Number Charge     120   199 +2 Silicon   15     -1

Fill in the following table: Elemental symbol Atomic Number Mass Number # protons 59 27 # neutrons # electrons

Write the nuclear symbol for the neutral atom shown. Nucleus nuclear symbol: 4 protons 5 neutrons 4 electrons

why is this the correct answer when potassium has 15 protons not 19?

Fluorine is atomic #9 with a mass of 19. Which of the following shows the correct number of protons, neutrons, and electrons O 10p, 9n, 10e O 10p, 9n, 9e 9p, 10n, 9e O 9p, 9n, 9e

How many electrons, protons, and neutrons does an Iron-55 atom have? 026 electrons, 26 protons, and 29 neutrons O55 electrons, 26 protons, and 29 neutrons O26 electrons, 55 protons, and 29 neutrons 026 electrons, 26 protons, and 55 neutrons O29 electrons, 26 protons, and 26 neutrons

If an atom has 13 protons, what element is it? Explain your answer.