A) It is composed of protons only B) It is composed of electrons and neutrons C) It is composed of protons and electrons D) It is composed of protons and neutrons
A) + B) - C) 0
A) have neutrons in their nuclei. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have an equal number of electrons and protons.
A) burning wood B) cooking eggs C) digesting food D) breaking a pencil
A) Alphabetical Order B) Atomic Mass C) Atomic Number D) Discovery Date
A) Neutrons B) Protons and Neutrons C) Protons D) Valence Electrons
A) color B) pH C) shape D) density
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) a total of eight protons and neutrons. D) eight neutrons in its nucleus.
A) protons. B) neutrons. C) protons plus the number of neutrons. D) protons plus the number of electrons.
A) They form negative ions with a -1 charge. B) They are usually gases. C) They are located in the left-most column of the periodic table. D) They are extremely nonreactive.
A) They form compounds with very bright colors. B) They are extremely rare in nature. C) a basically nonreactive. D) They are highly reactive with both metals and nonmetals.
A) are nonreactive B) are all metals C) exist in all three states of matter in normal conditions D) have only 1 valence electron
A) On the left-most side. B) In the bottom rows. C) On the right side. D) In the middle column of the periodic table.
A) number; mass B) location; ionization C) mass;number D) color; smell
A) 6 neutrons B) 12 neutrons C) 3 neutrons D) 8 neutrons
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkali Metals
A) Noble Gases B) Alkaline Earth C) Akali D) Halogens
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali
A) Halogens B) Alkali C) Alkaline Earth D) Noble Gases
A) 4 B) 3 C) 2 D) 5
A) nonmetals B) metalloids C) metals
A) Mendleev B) Mosely C) Einstein D) Ms. Watson
A) alphabetically B) according to atomic number C) According to atomic mass D) by date discovered
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Mass D) Atomic Number-Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic mass C) Atomic Number D) Atomic Mass
A) protons B) nucleus C) neutrons D) electrons
A) color B) reactivity C) pH D) flammability
A) burning B) breaking C) adding dye D) crushing
A) only can be seen in a few elements B) can only be observed by changing the substance C) can be observed with senses D) vary within the same element
A) vary within the same element B) can be observes with the senses C) cn only be observed by changing the substance D) only can be observed in a few elements
A) physical B) chemical
A) chemical B) physical
A) it will sink B) not enough information C) it will float
A) kilograms B) grams C) meters D) hours
A) nethier accurate or precise B) precise C) accurate D) both accurate and precise
A) 1/1,000 B) 1/100 C) 1,000 D) 100
A) independent B) control C) constant D) dependent
A) length of study B) growth C) strawberries D) fertilizer
A) constant B) independent C) control D) dependent
A) graduated cylinder B) stirring rod C) tongs D) beaker
A) 10 B) 0 C) 13 D) 16
A) 35 B) 18 C) 17 D) 19
A) 12 B) 10 C) 14 D) 26
A) 10 B) 18 C) 8 D) 2
A) 5.7 amu B) 57 amu C) 0.57 amu D) 115 amu
A) 2 B) 4 C) 3 D) 1
A) Thomson B) Rutherford C) Bohr D) Dalton
A) Democritus B) Chadwick C) Rutherford D) Thomson
A) Shrodinger and Heisenburg B) Thomson C) Bohr D) Rutherford
A) Dalton B) Thomson C) Bohr D) Rutherford
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Bohr B) Rutherford C) Chadwick D) Dalton
A) Electrons are positively charged. B) Electron number never changes. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) positive charge B) negative charge C) larger mass D) smaller mass
A) protons B) positrons C) neutrons D) electrons
A) 72g/ml B) 1.33g/ml C) 0.33g/ml D) 3g/ml
A) 0.094g B) 17.5g C) 10.7g D) 24g |