A) It is composed of protons and neutrons B) It is composed of protons and electrons C) It is composed of protons only D) It is composed of electrons and neutrons
A) - B) + C) 0
A) have an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of electrons and protons. D) have neutrons in their nuclei.
A) digesting food B) burning wood C) cooking eggs D) breaking a pencil
A) Atomic Mass B) Discovery Date C) Alphabetical Order D) Atomic Number
A) Protons and Neutrons B) Protons C) Valence Electrons D) Neutrons
A) pH B) color C) shape D) density
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) eight neutrons in its nucleus. D) a total of eight protons and neutrons.
A) protons plus the number of electrons. B) neutrons. C) protons. D) protons plus the number of neutrons.
A) They are extremely nonreactive. B) They are located in the left-most column of the periodic table. C) They form negative ions with a -1 charge. D) They are usually gases.
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) have only 1 valence electron B) exist in all three states of matter in normal conditions C) are all metals D) are nonreactive
A) On the right side. B) On the left-most side. C) In the middle column of the periodic table. D) In the bottom rows.
A) mass;number B) number; mass C) location; ionization D) color; smell
A) 3 neutrons B) 8 neutrons C) 6 neutrons D) 12 neutrons
A) Noble Gases B) Alkaline Earth C) Halogens D) Alkaline Metals
A) Alkaline Earth B) Halogens C) Akali D) Noble Gases
A) Alkaline Earth B) Noble Gases C) Alkali D) Halogens
A) Halogens B) Alkali C) Alkaline Earth D) Noble Gases
A) 5 B) 3 C) 2 D) 4
A) metals B) metalloids C) nonmetals
A) Einstein B) Ms. Watson C) Mendleev D) Mosely
A) According to atomic mass B) by date discovered C) according to atomic number D) alphabetically
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic Mass C) Atomic Mass D) Atomic Number
A) Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Number-Atomic mass
A) electrons B) protons C) neutrons D) nucleus
A) pH B) flammability C) color D) reactivity
A) texture B) pH C) density D) shape
A) breaking B) burning C) adding dye D) crushing
A) rusting B) burning C) precipitate forming D) breaking
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) only can be observed in a few elements B) cn only be observed by changing the substance C) can be observes with the senses D) vary within the same element
A) chemical B) physical
A) chemical B) physical
A) it will float B) not enough information C) it will sink
A) second B) kelvin C) liters D) meters
A) hours B) meters C) kilograms D) grams
A) accurate B) nethier accurate or precise C) both accurate and precise D) precise
A) 1,000 B) 1/1,000 C) 1/100 D) 100
A) constant B) control C) independent D) dependent
A) fertilizer B) length of study C) strawberries D) growth
A) 0.0025m B) 2,500m
A) 1.65g B) 16.5g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) constant B) dependent C) control D) independent
A) beaker B) stirring rod C) tongs D) graduated cylinder
A) 10 B) 0 C) 13 D) 16
A) 19 B) 35 C) 18 D) 17
A) 14 B) 26 C) 10 D) 12
A) 2 B) 10 C) 18 D) 8
A) 5.7 amu B) 115 amu C) 0.57 amu D) 57 amu
A) 4 B) 3 C) 2 D) 1
A) 89.6 mol B) 67.2 mol C) 0.5 mol D) 2 mol
A) 2.107x1024 atoms B) 21.07 atoms C) 1.72x1023 atoms D) 5.8x1022 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Bohr B) Dalton C) Thomson D) Rutherford
A) Chadwick B) Democritus C) Thomson D) Rutherford
A) Rutherford B) Thomson C) Bohr D) Shrodinger and Heisenburg ![]()
A) Thomson B) Bohr C) Rutherford 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) Chadwick B) Bohr C) Dalton D) Rutherford
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) Electrons are positively charged. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) Electron number never changes.
A) negative charge B) positive charge C) smaller mass D) larger mass
A) electrons B) protons C) neutrons D) positrons
A) 1.33g/ml B) 72g/ml C) 3g/ml D) 0.33g/ml
A) 0.094g B) 17.5g C) 10.7g D) 16g |