Atoms
All neutrons are positive, negative, or neutral
What is neutral?
What to look at on a Periodic Table to determine the number of energy levels an atom has
What are periods?
Most atoms have a ________ charge. a. positive b. negative c. no
What is "c. no charge"?
Most atoms have the same number of protons and electrons
One property of metals is that they are able to bend without breaking. This property is called __________
What is malleable or malleability?
On the periodic table there are ____ groups (how many)
What is 18 groups?
All protons are _____________ a. positively charged particles b. negatively charged particles
What is "positively charged particles"?
True or False: Metals are good conductors of electricity, malleable, and ductile.
What is true?
The sum of the protons and neutrons in an atom's nucleus is its _______________.
What is the "atomic mass" or "mass number"?
On a periodic table, the atomic number always determines how many _______ are in the nucleus of the atom.
What are protons?
If a neutral atom loses one electron, what will the new overall charge be?
positive 1 = 1 +
What is the name of the atomic model that places the electrons in shells/energy levels?
What is a Bohr Model?
The charge of a neutron
What is "no charge" or "neutral"?
The greatest number of electrons an atom can hold in its second energy level is ______________
What is 8?
On a periodic table, the horizontal rows of elements are called __________
What are periods?
What do neon and krypton have in common?
Both in the same group, both noble gases, both have full valence electron shells, neither one is likely to bond
Atomic mass is the sum of...
protons and neutrons
The electric charge of an electron
What is a negative charge?
True or False: Elements are grouped vertically by characteristics and horizontally by increasing protons.
What is true?
How many electrons can the 1st energy level of an atom hold?
What are 2 electrons?
On the Periodic table, most of the elements are metals, metalloids, liquids, gases, or nonmetals?
What are metals?
Determines the atomic number of an element?
a. the mass of the atom b. electrons in the atom c. neutrons in the atom d. protons in the nucleus of an atom
What is "d. protons in the nucleus of an atom"?
Elements in the same vertical column (group / family) have the same number of _________ _________
What are valence electrons?
Subatomic particles that make up the nucleus of an atom
What are Neutrons and Protons?
To see if an atom will bond with another atom we need to look at the number of these subatomic particles...
electrons
If an atom is electrically neutral, it means it has the same number of ________ and ________
What are protons and electrons?