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