Log in to make full use of the services
Which particles are found in the nucleus of an argon atom?*
The part of an atom that has an overall positive charge is called*
Which statement describes the charge and location of an electron in an atom?*
Which phrase describes an Al atom?*
Which statement describes the structure of an atom?*
What is the charge of the nucleus of a copper atom?*
Which statement describes the location of two types of subatomic particles in a helium atom?*
Which subatomic particles are found in the nucleus of an atom of beryllium?*
Which phrase describes the charge and mass of a neutron?*
According to the modern model of the atom, the nucleus of an atom is surrounded by one or more*
Which phrase describes an atom?*
What is the charge of the nucleus of an oxygen atom?*
Base your answers to questions 13 on the information below and on your knowledge of chemistry.
The diagrams below represent four different atomic nuclei.
Identify the nucleus above that is found in an atom that has a stable valence electron configuration.*
Base your answers to questions 14 on the information below and on your knowledge of chemistry.
Elements with an atomic number greater than 92 can be artificially produced in nuclear reactions by bombarding a naturally occurring nuclide with a different nuclide. One of these elements is roentgenium, Rg. The equation below represents a nuclear reaction that produces Rg-272.
State the location and the total charge of the protons in a Ni-64 atom.*
Base your answers to questions 15 on the information below.
The element boron, a trace element in Earth’s crust, is found in foods produced from plants. Boron has only two naturally occurring stable isotopes, boron-10 and boron-11.
State, in terms of subatomic particles, one difference between the nucleus of a carbon-11 atom and the nucleus of a boron-11 atom.*
