Chemistry, Ch.9-10, Physical i Science

What is an electron cloud?

• An electron cloud is an area around an atomic nucleus where an neutron is most likely to be located.

• An electron cloud is an area around an atomic nucleus where an proton is most likely to be located.

• An electron cloud is not an area around an atomic nucleus where an electron is most likely to be located.

• An electron cloud is an area around an atomic nucleus where an electron is most likely to be located.

What is an atom?

• An atom is not the smallest piece of an element that still represents that element.

• An atom is the smallest piece of an element that still represents that element.

• An atom is the biggest piece of an element that still represents that element.

• An atom is the smallest piece of a cell that still represents that cell.

Tags

NGSS.MS-PS1-1

What are isotopes?

• Isotopes are atoms of the same element that have different numbers of neutrons.

• Isotopes are atoms of the same element that have different numbers of protons.

• Isotopes are atoms of the same element that have different numbers of electrons.

• Isotopes are the mass numbers of the same element that have different numbers of neutrons.

What are the 3 different types of radiation that nuclear decay can produce?

• 1+ decay, 1- decay, 0 decay

• apple decay, banana decay, pineapple decay

• isotope decay, ion decay, atom decay

• alpha decay, beta decay, and gamma decay

Tags

NGSS.HS-PS1-8

What is a period on the periodic table table?

• A period isn't a row on the periodic table.

• A period is a column on the periodic table.

• A period is a row on the periodic table.

• A period is a diagonal line on the periodic table.

What is a group on the periodic table?

• A group is a Hydrogen on the periodic table.

• A group is a Helium on the periodic table.

• A group is a column on the periodic table.

• A group is not a column on the periodic table.

What is luster?

• Luster describes the ability of a non-metal to reflect light.

• Luster describes the ability of a metal to reflect darkness.

• Luster describes the ability of a metalloid to reflect light.

• Luster describes the ability of a metal to reflect light.

The elements in group 2 on the periodic table are called _________________.

• alkaline earth metals

• alkali metals

• ductility

• transition elements

What is a semiconductor?

• A semiconductor conducts electron clouds at high temperatures, but not at low temperatures.

• A semiconductor conducts electricity at low temperatures, but not at high temperatures.

• A semiconductor conducts Lithium at high temperatures, but not at low temperatures.

• A semiconductor conducts electricity at high temperatures, but not at low temperatures.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is a metalloid?

• A metalloid is an element that don't have physical and chemical properties of both metals and nonmetals.

• A metalloid is an element that has physical and chemical properties of both metals and nonmetals.

• A metalloid is an element that has physical and mental properties of both metals and nonmetals.

• A metalloid is an element that has no metallic properties.