Chemistry Ch. 5-6

Who came up with the theory that it is impossible to measure the exact position of an electron and its speed?

Which of the following is a metalloid?

Which atom contains 29 protons?

A cation is a negatively charged ion

Which of the following would have the highest electronegativity: P, S, Cl or Ca

Which of the following ions would be the smallest?: F-, Cl-, Br- or I-

Sodium is an alkali metal

What is the element that is the alkali metal in Period 4?

The elements with the atomic number of 8 and 17 belong to which general group on the periodic table?

A proton has the same mass as an electron

The correct electron configuration for Lithium is:

Bromine is an alkaline-earth metal

Which of the following is a nonmetal?

Which of the following would have the lowest ionization energy?: Mg, Ca, Be or Ba

A metalloid has properties of both metals and nonmetals

An element has similar properties to Oxygen and Selenium; It's atomic number is between 13 and 18, which element is it?

The size of an Na+ ion would be larger than the element Na?

The concept that all moving particles have wave-like characteristics is attributed to which scientist?

Which of the following would have the largest size?: Ar, Be, Na or S

Which of the following is a metal?