Physical Properties Answers

Who is known as the "father of modern chemistry” because he first organized all known elements into four different groups?

What are the two parts of an atom?

While looking at xenon (Xe) on the periodic table, a student needs to find an element with a smaller atomic mass in the same group. Where should the student look?

Jerome is learning how the model of the atom has changed over time as new evidence was gathered. He has images of four models of the atom, but they are not in the correct order.In what order should Jerome put these models to show the development from the earliest model of the atom to the most recent one?

Who described atoms as small spheres that could not be divided into anything smaller?

Which argument best explains the charge of an atomic nucleus?

Which example best describes a school consequence for committing plagiarism?

A blue circle labeled proton and A overlaps a pink circle labeled electron and C. The overlap is labeled B.

Which element is most likely to be shiny?

Which properties are characteristic of metalloids?

Which determines the reactivity of an alkali metal?

Which lists the elements in order from most conductive to least conductive?

Which properties make a metal a good material to use for electrical wires?

The elements in group 17 of the periodic table are all called halogens. All halogens have the same

The first model of the atom was developed through

Which digital team did the best job practicing netiquette?

The table below lists the properties of a metallic element.

This is how sodium appears in the periodic table.

Which property do metalloids share with nonmetals?

Cecil is working with samples of chlorine (Cl), oxygen (O), bromine (Br), and silver (Ag). The samples are all at room temperature. Which substance is most likely the most dense?