Intro to Atoms/Organizing the Elements

What is the positively in an atom's nucleus

• protons

• neutron

• electron

• gas

How can an element's identity be determined

• atomic mass

• atomic number

• the row it is in

• the name of it

What is the negativly charged in an atom's nucleus

• Electron

• proton

• neutron

• Brass

The creator of the "Watermelon" model was...

• JJ. Thomson's model

• Bohr's Model

• Maxwell's Model

In the periodic table, the columns are called

• groups

• periods

In the periodic table, the rows are called

• groups

• periods

the sum of the protons and neutrons are called

• isotopes

• compounds

• elements

• atoms

why do the atomic mass units of elements have decimals

• Most elements are made up of isotopes
• shart

• poopoo

• diddy likes you

How was the peoridic table originaly ordered

• increasing atomic mass

• increasing atomic number

• decreasing atomic mass

• decreasing atomic mass

what can be predicted by the placement of the element on the periodic table

• The proprities it has

• if it is either metal non metal or metalloid on

• what color it is

• its smell