Ch 16 - Atoms and Periodic Table

How many protons does Carbon have?

Which term best describes Boron?

About 58% of Phosphorous atoms are P-29 and 42% are P-31.  What is the average atomic mass?

About 3/4 of chlorine atoms are Cl-35 and 1/4 are Cl-37.  What is the average atomic mass?

Negatively charged particles are ___

What particle is used to identify an atom of an element?

the weighted average mass of all known isotopes of an element is ___

___ are found along the stair step line of the periodic table.

Negatively charged outside of an atom is ___

How many Electrons does Iron have?

These make up the mass of the atom

Which element has similar properties to Neon?

How many neutrons does Zinc-67 have?

These have little or no mass

___ are found on the right side of the periodic table.

Who said that electrons exist of specific Energy Levels?

What is the term for a repeating pattern?

___ are rows on the periodic table.

The average atomic mass of Titanium is 47.867, What is the most common isotope?

Electrons in the outer energy level of an atom are called ___ electrons.

Since protons have a + charge, there must be the same number of ___ to make an atom neutral.

An electron dot diagram of Calcium (Group 2) will have ___ electrons

Positively charged particles are ___

What is the name of the current atom model?

Nitrogen is a nonmetal, most nonmetals are naturally occurring as ___

___ make up Protons and Neutrons

How many valence electrons does Fluorine have?

How many Electrons does Zirconium-93 have?

These are found in the nucleus

Who said that matter is made of particles that could not be subdivided?

The 3rd energy level has ___ electrons

How many neutrons does Tin have?

Metals conduct electricity and are shiny, which of these is a metal?

Which group of elements on the periodic table are nonreactive?

___ are found on the left side of the periodic table.

How many valence electrons does Lithium have?

___ are diagrams of electrons in the outer energy level of an atom.

How many protons does Titanium have?

Average Atomic Mass ____ as you go across a period on the periodic table.

Moseley's periodic table was arranged by ___.

Modern periodic table was arranged by ___.

Mendeleev's periodic table was arranged by ___.

two atoms with the same number of protons but different neutrons are called ___

Who theorized that atoms combine in simple whole number ratios to form compounds?

How many different quarks are there?

Who is credited with organizing the first periodic table?

How many neutrons does Magnesium have?

Groups are called ___ because they share the same properties.

Elements on the left side of the periodic table are ___ at room temperature.

An electron dot diagram of Chlorine (Group 17) will have ___ electrons

How many Protons does Gallium-67 have?

Positively charged center of an atom is ___

The floor energy level has ___ electrons

An electron dot diagram of Boron (Group 13) will have ___ electrons

The 1st energy level has ___ electrons

Neutrally charged particles are ___

____ are columns on the periodic table.