Chemistry in Biology, Matter

What is the chemical symbol for Gallium ?

• O

• Ox

• Ga

• Oy

What element has the atomic number 1?

• Helium

• Hydrogen

• Lithium

• Beryllium

What is the name of the element with the symbol 'Na'?

• Neon

• Nitrogen

• Sodium

• Magnesium

Which group of elements is found in column 18 of the periodic table?

• Alkali metals

• Noble gases

• Transition metals

• Halogens

Where are the protons located in an atom?

• In the nucleus of the atom

• In the electron cloud

• Outside the nucleus

• In the orbit of the atom

What is the charge of electrons?

• Positive

• Negative

• Neutral

• Double positive

Which subatomic particle has a neutral charge?

• Proton

• Electron

• Neutron

• Positron

Where are the electrons located in an atom?

• In the nucleus

• In the electron cloud

• In the center of the atom

• In the proton

What is the name of the region where electrons move around the nucleus?

• Proton cloud

• Neutron cloud

• Electron cloud

• Atom cloud

What results from the attraction between protons and electrons in an atom?

• The structure of the nucleus

• The structure of the atom

• The structure of the electron

• The structure of the proton