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