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