Physical Science year exam

Is gold an element, mixture or compound?

• Compound

• Element

• Mixture

Is water an element, mixture or compound?

• Compound

• Element

• Mixture

Tags

NGSS.MS-PS1-1

Is blood an element, mixture or compound?

• Compound

• Element

• Mixture

What is the density of a gold ring that has a mass of 9 grams and a volume of 3 mL?

• 300 g/ml

• 27 g/mL

• 3 g/mL

• 0.27 g/mL

Isotopes of the same element have different numbers of...

• Protons

• Electrons

• Neutrons

When an atom gains or loses electrons, we call it...

• An isotope

• A neutron

• An ion

• A nucleus

Tags

NGSS.MS-PS2-3

All atoms of the same element have the same...

• Number of neutrons

• Mass number

• Number of protons

• Force number

Which of the following would be the most reactive?

• An atom with 7 valence electrons

• An atom with no valence electrons

• An atom with 8 valence electrons

• An atom with 4 valence electrons

Elements in the same __________ have similar __________.

• Period, Atomic Mass

• Group, Properties

• Period, Properties

• Group, Atomic Mass

What type of bond involves the transfer of electrons?

• Ionic

• Covalent