A) It is composed of electrons and neutrons B) It is composed of protons only C) It is composed of protons and neutrons D) It is composed of protons and electrons
A) - B) 0 C) +
A) have neutrons in their nuclei. B) have an equal number of neutrons and protons. C) have an equal number of electrons and protons. D) have an equal number of charged and noncharged particles.
A) burning wood B) digesting food C) breaking a pencil D) cooking eggs
A) Atomic Number B) Alphabetical Order C) Discovery Date D) Atomic Mass
A) Neutrons B) Protons and Neutrons C) Protons D) Valence Electrons
A) density B) color C) pH D) shape
A) a total of eight protons and neutrons. B) eight protons in its nucleus. C) eight neutrons in its nucleus. D) a total of eight neutrons and electrons.
A) protons plus the number of electrons. B) protons. C) neutrons. D) protons plus the number of neutrons.
A) They form negative ions with a -1 charge. B) They are extremely nonreactive. C) They are usually gases. D) They are located in the left-most column of the periodic table.
A) They are extremely rare in nature. B) They are highly reactive with both metals and nonmetals. C) They form compounds with very bright colors. D) a basically nonreactive.
A) have only 1 valence electron B) are all metals C) exist in all three states of matter in normal conditions D) are nonreactive
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) color; smell B) number; mass C) mass;number D) location; ionization
A) 3 neutrons B) 6 neutrons C) 12 neutrons D) 8 neutrons
A) Halogens B) Alkali Metals C) Alkaline Earth D) Noble Gases
A) Halogens B) Akali C) Noble Gases D) Alkaline Earth
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali
A) Alkali B) Alkaline Earth C) Noble Gases D) Halogens
A) 4 B) 3 C) 5 D) 2
A) metalloids B) metals C) nonmetals
A) Ms. Watson B) Mosely C) Einstein D) Mendleev
A) according to atomic number B) alphabetically C) According to atomic mass D) by date discovered
A) Atomic Number B) Atomic Mass-Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass
A) Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass-Atomic Number D) Atomic Mass
A) nucleus B) electrons C) neutrons D) protons
A) reactivity B) color C) flammability D) pH
A) adding dye B) crushing C) breaking D) burning
A) can be observed with senses B) vary within the same element C) can only be observed by changing the substance D) only can be seen in a few elements
A) can be observes with the senses B) vary within the same element C) only can be observed in a few elements D) cn only be observed by changing the substance
A) physical B) chemical
A) physical B) chemical
A) not enough information B) it will sink C) it will float
A) meters B) hours C) kilograms D) grams
A) precise B) both accurate and precise C) nethier accurate or precise D) accurate
A) 1/100 B) 100 C) 1,000 D) 1/1,000
A) control B) constant C) independent D) dependent
A) fertilizer B) length of study C) strawberries D) growth
A) dependent B) constant C) independent D) control
A) tongs B) stirring rod C) beaker D) graduated cylinder
A) 13 B) 0 C) 16 D) 10
A) 35 B) 19 C) 18 D) 17
A) 12 B) 26 C) 10 D) 14
A) 8 B) 10 C) 18 D) 2
A) 5.7 amu B) 115 amu C) 0.57 amu D) 57 amu
A) 3 B) 4 C) 1 D) 2
A) Dalton B) Rutherford C) Bohr D) Thomson
A) Democritus B) Rutherford C) Chadwick D) Thomson
A) Bohr B) Thomson C) Shrodinger and Heisenburg D) Rutherford
A) Rutherford B) Bohr C) Thomson D) Dalton
A) All matter is made of atoms. B) Atoms of the same element are exactly alike. C) Atoms combine to form compounds in simple whole number ratios.
A) Dalton B) Chadwick C) Rutherford D) Bohr
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) larger mass C) negative charge D) smaller mass
A) electrons B) positrons C) neutrons D) protons
A) 72g/ml B) 3g/ml C) 1.33g/ml D) 0.33g/ml
A) 17.5g B) 24g C) 10.7g D) 0.094g |