A) It is composed of protons only B) It is composed of protons and electrons C) It is composed of electrons and neutrons D) It is composed of protons and neutrons
A) 0 B) - C) +
A) have neutrons in their nuclei. B) have an equal number of charged and noncharged particles. C) have an equal number of electrons and protons. D) have an equal number of neutrons and protons.
A) cooking eggs B) digesting food C) breaking a pencil D) burning wood
A) Atomic Number B) Alphabetical Order C) Discovery Date D) Atomic Mass
A) Protons and Neutrons B) Valence Electrons C) Neutrons D) Protons
A) color B) density C) shape D) pH
A) eight neutrons in its nucleus. B) eight protons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) protons plus the number of neutrons. B) neutrons. C) protons plus the number of electrons. D) protons.
A) They form negative ions with a -1 charge. B) They are usually gases. C) They are extremely nonreactive. D) They are located in the left-most column of the periodic table.
A) They form compounds with very bright colors. B) They are highly reactive with both metals and nonmetals. C) They are extremely rare in nature. D) a basically nonreactive.
A) are all metals B) exist in all three states of matter in normal conditions C) have only 1 valence electron D) are nonreactive
A) In the middle column of the periodic table. B) On the left-most side. C) On the right side. D) In the bottom rows.
A) location; ionization B) number; mass C) color; smell D) mass;number
A) 3 neutrons B) 8 neutrons C) 12 neutrons D) 6 neutrons
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkaline Metals
A) Noble Gases B) Alkaline Earth C) Akali D) Halogens
A) Noble Gases B) Halogens C) Alkali D) Alkaline Earth
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkali
A) 2 B) 4 C) 5 D) 3
A) metalloids B) nonmetals C) metals
A) Mosely B) Einstein C) Ms. Watson D) Mendleev
A) alphabetically B) by date discovered C) According to atomic mass D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number
A) Atomic Mass B) Atomic Number C) Atomic Number-Atomic mass D) Atomic Mass-Atomic Number
A) neutrons B) nucleus C) protons D) electrons
A) pH B) reactivity C) color D) flammability
A) shape B) pH C) texture D) density
A) adding dye B) breaking C) burning D) crushing
A) breaking B) burning C) precipitate forming D) rusting
A) can only be observed by changing the substance B) can be observed with senses C) vary within the same element D) only can be seen in a few elements
A) only can be observed in a few elements B) can be observes with the senses C) cn only be observed by changing the substance D) vary within the same element
A) physical B) chemical
A) physical B) chemical
A) it will sink B) it will float C) not enough information
A) meters B) liters C) second D) kelvin
A) meters B) grams C) kilograms D) hours
A) accurate B) nethier accurate or precise C) precise D) both accurate and precise
A) 1/1,000 B) 100 C) 1,000 D) 1/100
A) dependent B) independent C) constant D) control
A) fertilizer B) strawberries C) growth D) length of study
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 0.00634 B) 63,400
A) independent B) control C) dependent D) constant
A) beaker B) stirring rod C) tongs D) graduated cylinder
A) 0 B) 10 C) 13 D) 16
A) 18 B) 17 C) 35 D) 19
A) 12 B) 26 C) 10 D) 14
A) 2 B) 10 C) 18 D) 8
A) 0.57 amu B) 57 amu C) 115 amu D) 5.7 amu
A) 1 B) 2 C) 4 D) 3
A) 2 mol B) 67.2 mol C) 89.6 mol D) 0.5 mol
A) 5.8x1022 atoms B) 21.07 atoms C) 2.107x1024 atoms D) 1.72x1023 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Rutherford B) Thomson C) Dalton D) Bohr
A) Rutherford B) Chadwick C) Democritus D) Thomson
A) Rutherford B) Thomson C) Shrodinger and Heisenburg D) Bohr
A) Dalton B) Thomson C) Rutherford D) Bohr
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Bohr B) Chadwick C) Rutherford 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) negative charge B) larger mass C) smaller mass D) positive charge
A) positrons B) protons C) neutrons D) electrons
A) 3g/ml B) 1.33g/ml C) 72g/ml D) 0.33g/ml
A) 10.7g B) 16g C) 0.094g D) 17.5g |