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How are atoms of different elements similar and how are they different?
Atoms of different elements are similar in that they all contain protons, neutrons, and electrons. However, they are different in terms of their atomic number (number of protons), atomic mass (sum of protons and neutrons), and electron configuration, which determines their chemical properties.
What do most elements contain a mixture of?
Most elements contain a mixture of isotopes, which are atoms of the same element with different numbers of neutrons. Isotopes can have different properties but behave similarly in chemical reactions due to their identical number of protons.
Elements of the same group on the periodic table have the same number of what?
electron shells/engery levels all of the elements in period one have one electron shell/engery levels all of the elements in period two have two electron shells/engery levels etc.
How are the elements wth in a row different?
As you move across the periodic table from left to right, the elements within a given row have their electrons in the same energy level (given by the number of the row they are in). They way they differ is by the number of electrons. Moving from left to right, the number of electrons increase.
What is the relationship between group and period?
Groups are the number of outer shell electrons in the elements and periods are the number of outer shells in the elements. eg. group 4, period 3 is Silicon which means that it has 3 shells where the electrons are stored and in the last shell it has 4 electrons
What term describes elements that contain the saem number of valence electrons?
what term describes elements that contain the same number of valence electrons
Atoms of different elements always contain different number of what?
well of protons, STOP CHEATING IN WIKIANSWERS AND DO YOUR WORK
Why the elements are different?
Elements are different because each element has a unique number of protons in its nucleus, which determines its atomic number. This atomic number gives each element distinctive chemical properties and behaviors. Additionally, elements have different arrangements of electrons in their atomic structure, further contributing to their differences.
What term describes elements that contain the number of valence electrons?
group
How many elements contain the same number of outer electrons as sodium?
Elements in the same group as sodium (Group 1) all contain the same number of outer electrons, which is one. Therefore, there are six elements in the same group as sodium: lithium, potassium, rubidium, cesium, francium, and hydrogen.
How are atoms of different elements similar and how are they different?
Atoms of different elements are similar in that they all contain protons, neutrons, and electrons. However, they are different in terms of their atomic number (number of protons), atomic mass (sum of protons and neutrons), and electron configuration, which determines their chemical properties.
Do isotopes contain more electrons than other Atoms?
No, they contain different number of electrons. Isotopes differ in their number of neutrons.
What term described elements that contain the same number of valence electrons?
group
Which elements contain the same number of valence electrons as carbon c?
An example is silicon.
Which elements contain multiple valences electron?
Almost all elements have multiple valence electrons, there are only 7 that don't. They are: hydrogen, lithium, sodium, potassium, rubidium, cesium, and francium. The elements have 1 valence electron. All other elements have anywhere from 2 to 8 valence electrons
What is the difference beteen atoms of two different elements?
The number of electrons, neutrons and protons will be different. Unless its an ion and not an atom, the number of electrons will always be different
Which elements contain the same number of valence electrons as carbons?
silicon (Si). -apex
