Physical Science: Ch 4 "Periodic Table"

How many neutrons are in Oxygen?

What is the mass number for C-14?

The valence electrons in an atom are always

What is the symbol of an element with the mass number of 73?

How many valence electrons does sodium have?

An elecrically neutral atom has an equal number of protons and

Which particle is normally found outside the nucleus?

Which of these statements is FALSE?

If an element is brittle and shiny it is most likely a

The atomic number of an atom is defined as its

What is the atomic number for the element with 47 protons?

The most chemically reactive nonmetals are called

The most unreactive elements are

The atomic number of an element whose atoms has 9 protons and 10 neutrons is

How are elements in the noble gas family similar to each other?

Who arranged the elements on the periodic table according to increasing atomic mass?

In the sun, two hydrogen atoms can undergo fusion to create

How does nuclear fusion create new elements inside stars?

Which of the following is NOT aproperty of metals

In the Bohr's model of the atom, where are the electrons and protons located?

The group 15 metalloid in the fourth period is

Which of the following is NOT a type of radioactive decay?

One ISOTOPE of Carbon has 6 protons and 6 neutrons. The second isotope of carbon could be...

The most chemically reactive metals can be found in which group?

Elements in a group on the periodic table can be expected to have similar

Radioactive isotopes used to detect medical problems are know as

Iodine-131 and iodine-127 are examples of

Which of the following are the symbol of the element & number of protons & electrons correct?

Selenium (Se) could be classified as a

What is the phase of matter for most elements at room temperature?