Elements, Atoms, and Ions

Which of the following is an alkaline earth metal.

What is the mass number of the following?

Which atomic particle determines the chemical behavior of an atom?

True/False Elements, such as lead, are made of tiny particles that mostly consist of open space

The symbol P stands for the element

The symbol Cs stand for the element

What formula will result from combing Zn²⁺ and CN^1-?

Which of the following are part of the transition metals?

The mass number of an atom equals

Which of the following is a Halogen.

Florine will form an ion with a charge of?

True/False Models are always wrong unless they are proved by a theory.

Which of the following was not discussed in Daltons atomic theory?

Barium forms an ion with a charge of ______ by ______ electrons.

For the ion ¹³³Cs¹⁺, how many neutrons does it have?

True/False NH3 will always contain 1 atom of nitrogen for every 3 atoms of hydrogen

The symbol for for the element copper is

How many protons are in one atom of the following?

For the ion ¹³³Cs¹⁺, how many electrons does the ion have?

For the ion ⁸¹Se^-2 how many electrons is in the ion.

Which of the following cannot be explained by Daltons atomic theory?

The number of _____ in an element is the same for all neutral atoms of that element.

The symbol for the element Zinc is

How many neutrons does one atom of the following contain.

Nitrogen forms a ____ ion by ______ electrons

Which pair has the same charge?

How many hydrogen atom are in the formula CH₃COCH₃

The symbol Ga stand for the element

What is the number of protons and neutrons for Cu-63

The total number of oxygen atoms in the formula is (HOCH₂)₃CNH₂

Which of the following will be most similar to Gallium?

True/False JJ Thompson proved that electrons travel in elliptical orbits around the nucleus

The symbol and number of neutrons for an element with atomic number 26 and mass number of 56 is

How many atoms in total are represented in the formula Pb(C₂H₃O₂)₄

The symbol for lead is

Which particle has the smallest mass?

True/False John Dalton provided the first experimental support for the atom.

In chemistry, a formula is used to represent

How many electrons are in the following?

The chemical formula Al₂O₃ indicates

Which of the following occur naturally as diatomic molecules.

True/False Ernest Rutherford proved the existence of a nucleus.

The symbol for the element boron is?

Which of the following is a nonmetal.