structure
charge
elements
vocabulary
practice
100
What do you call the inside of the atom?
nucleus
100
Which particle has a positive charge?
protons
100
What do you call this image?
periodic table
100
The particles that makeup everything, living and nonliving, is called _____
atoms
100
Lithium has an atomic number of 2. How many protons does lithium ave?
2 protons
200
Where are the protons found in the atom?
In the nucleus
200
Which particle has no charge?
neutrons
200
What is the atomic number of this element?
2
200
What does the "APE" in A P E M A N mean?
atomic number = protons = electrons
200
Sodium (Na) has an atomic number of 11. How many electrons does Sodium have?
11 electrons
300
Where are neutrons located in the atom?
In the nucleus.
300
Which particle has a negative charge?
electrons
300
What 4 things did Greek philosophers think everything was made of?
Earth, air, water, fire
300
What does the M A N in A P E. M A N. mean?
mass number - atomic number = neutrons
300
How many protons, neutrons, and electrons does the atom have?
Protons = 6
Neutrons = 6
Electrons = 6
400
Where are the electrons located in the atom?
on the outside
400
Particles of different charge will ______
attract (move toward) each other.
400
What element accounts for 90 percent of the universe?
Hydrogen
400
What is an element’s atomic number?
The number of protons and the number of electrons in an atom
400
Titanium (Ti) has a mass number of 48 and an atomic number of 22, how many neutrons does Titanium (Ti) have?
26 neutrons.
500
What is an isotope?
atoms of the same element that have a different number of neutrons.
500
Particles of the same charge will _____
repel (push away) from each other
500
What 4 elements are living things made of?
oxygen, carbon, hydrogen, and nitrogen.
500
What is an element’s atomic mass?
The total number of protons and neutrons in an atom’s nucleus.
500
How many protons, neutrons, and electrons does Magnesium(Mg) have?
Protons=12
Neutrons=12
Electrons=12