Isotopes
True or False
Can atoms be destroyed?
False
What can react with both acid and base?
Amphoteric oxides
Nuclear bombs are radioactive, True or False
True
What is the atomic number for oxygen?
8
What is the atomic theory?
All matter is made from atoms
What does base produce?
Hydroxides ions
Which element has the highest radioactivity
Radium
Fe is the symbol for ?
Iron
What are Isotopes?
Atoms with the same number of protons but different numbers of neutrons
Is less electrons more reactive that more electrons shielding the atom?
Yes
What are acids and bases?
Hydrogen ion
What is the name of the most radioactive place on earth
Chernobyl, Ukraine
How many elements are on the periodic table
118
What acid has no oxygen?
Hydra Acids
What are the 5 types of radioactivity?
Alpha, beta, neutrons, electromagnetic and gamma rays
What is the symbol for gold
Au
What does acid produce
Hydrogen Ions
What is the name of the radioactive symbol?
trefoil
How many metalloids are in the modern periodic table?
The number of metalloids in the modern periodic table are 6