PHYSICAL SCIENCE Help Please

1. Electrons in the first energy level of an atom, (2 points)
   

AHave no energy

BHave the lowest possible energy

CHave the highest possible energy

DAre unstable

1. An element that is shiny and easily conducts electric currents is called a ________________. (2 points)
   

ANonmetal

BMetal

CTransition metal

DNoble gas

1. Elements that have the same number of valence electrons are in the same __________ on the periodic table. (2 points)
   

AGroup

BPeriod

CRow

DSection

1. Which list of elements contains only metalloids? (2 points)
   

AGallium, germanium, and arsenic

BSilicon and germanium

CAluminum, silicon, and phosphorus

DPhosphorus and arsenic

1. In the Rutherford experiment, why weren’t all the alpha particles deflected? (3 points) *
   

AThe particles have a positive charge.

BThe particles were too small.

CThe nucleus was too small compared to the atom as a whole.

DThe beam was attracted to a positively charged plate.

1. What does an electron cloud represent? (3 points)
   

AThe location of electrons around the nucleus

BThe location of electrons within the nucleus

CThe location of electrons in the universe

DThe location of the nucleus